Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
A
Window
B
Pop-up menu
C
Message box
D
Taskbar
Question 2Single Answer
What is active desktop ?
A
a term that is synonymous with viewing your desktop as web page
B
a feature to customize your desktop to display informating you can update from the internet
C
both a and b above mentioned
D
A software
E
None of these
Question 3Single Answer
What is meant by an active window?
A
A window that is minimized
B
The window currently receiving user input
C
Any window currently open
D
The window opened first
Question 4Single Answer
What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?
A
An online service providing Internet access and proprietary online content
B
A computer operating system
C
A spreadsheet application
D
A database management system
Question 5Single Answer
An application is
A
word processing, accounting and engineering programs are example of application programs
B
computer program designed to enable users to perform specific job functions
C
Both a and b above mentioned
D
a document
E
None of these
Question 6Single Answer
Which of the following programs enables you to calculate numbers related to rows and columns?
A
Window program
B
Spreadsheet program
C
Graphics program
D
Word program
E
None of these
Question 7Single Answer
The term Briefcase is used for
A
a special folder on the windows desktop used to keep documents up to date when shared between computers
B
a window that us currently open
C
A folder which keeps deleted, files for a while and can be retrieved from it
D
All of the above
E
None of these
Question 8Single Answer
In a graphical user interface, what is a button primarily used for?
A
Executing a command or initiating an action
B
Permanently storing data
C
Displaying the computer's IP address
D
Formatting a disk automatically
Question 9Single Answer
A channel (in windows terminology) is
A
a widely used online service that offers access to the internet
B
a specialized web site designed to work with the windows 98 subscribing feature to automatically download information from the internet and store it on your computer for later viewing
C
an area on the computer memory where text or graphics can be temporarily stored
D
All of the above
E
None of these
Question 10Single Answer
What does a checked checkbox generally indicate in a graphical user interface?
A
The associated option is enabled or selected
B
The application has closed
C
The file has been deleted
D
The computer is offline
Question 11Single Answer
The term classic style implies
A
you can click on an item to select it and double click on an item to open it
B
a folder options setting that tells double click on an item to open it
C
both a and b
D
font style
E
None of these
Question 12Single Answer
The term click implies
A
to quickly push and release the main mouse button when onscreen mouse pointer is positioned over the desired item
B
a button in a dialog box
C
to shut down or exit a dialog box
D
All of the above
E
None of these
Question 13Single Answer
What is the primary function of the Close button marked with an X on a window?
A
Minimize the window
B
Close the associated window or application
C
Maximize the window
D
Move the window
Question 14Single Answer
A command button
A
is a one in a dialog box such as open, close, exit OK or cancel that carries out a command
B
is a symbol that designates the position on the screen where text or codes will be inserted or deleted
C
is a sort on screen from where you can open and manages files and programs
D
is a small button with an X on it
E
None of these
Question 15Single Answer
What is smallest unit of the information?
A
A bit
B
A byte
C
A block
D
A nibble
Question 16Single Answer
A cursor is
A
to make a selection from the document from the document and duplicate it on the clipboard
B
a symbol that designated the position on the screen where text or codes will be inserted or deleted
C
pressing and holding the main mouse button
D
A button in a dialog box
E
None of these
Question 17Single Answer
What is a Database Management System (DBMS)?
A
A structured collection of data only
B
Software used to create, manage, retrieve, and update data in databases
C
A physical device for storing database backups
D
A programming language used only for calculations
Question 18Single Answer
The meaning of cut is
A
to take a selection from the document and move it to the clipboard
B
to cut a document in two unequal parts
C
to cut a document in two equal parts
D
Only b and c are correct
Question 19Single Answer
A setting or action predetermined by the program unless changed by the user is called as
A
pre - determined setting
B
user - setting
C
default
D
setting
E
None of these
Question 20Single Answer
The search back ground and main area of windows where you can open and manage files and programs is
A
wall paper
B
desktop
C
background
D
All of the above
E
None of these
Question 21Single Answer
What is a dialog box in a graphical user interface?
A
An on-screen window used to display information or obtain user input and selections
B
A tool used exclusively for audio and video calls
C
A hardware device used for voice commands
D
A program used exclusively to browse websites
Question 22Single Answer
A letter, memo, proposal, or other that is created using Microsoft word is called as
A
Master
B
slide
C
document
D
worksheet
E
None of these
Question 23Single Answer
The meaning of double click is
A
pushing and releasing the main mouse button twice in rapid succession when the on - tree mouse pointer is positioned over the desired item
B
appearance of an icon
C
to take a selection from the document and move it to the clipboard
D
All of the above
E
None of these
Question 24Single Answer
The term drag and drop means
A
appearance of an icon
B
used for selecting text
C
to move text or an object by positioning the mouse pointer on the item you want to move, pressing and holding the mouse button to drop the object into its new location
D
to take a selection from the document and move it to the clipboard
E
None of these
Question 25Single Answer
What does dragging with a mouse mean?
A
Holding down a mouse button while moving the mouse pointer
B
Closing an application
C
Double-clicking an icon without moving the mouse
D
Restarting the computer
Question 26Single Answer
What is the purpose of a drop-down list in a graphical user interface?
A
To display a list of selectable choices when expanded
B
To permanently delete selected files
C
To close all running applications
D
To display only error messages
Question 27Single Answer
The default name for a desktop icon that opens an explore window displaying information about your system’s disk drives and also special system folders like printers and control panel
A
my computer
B
news groups
C
message box
D
network neighbourhood
E
None of these
Question 28Single Answer
________________ means to enlarge window to its maximum area so that it will full entire desktop
A
maximize
B
zoom
C
enlarge
D
extend
E
None of these
Question 29Single Answer
What is HTML primarily used for?
A
Defining the structure and meaning of content on web pages
B
Managing computer hardware drivers
C
Encrypting all Internet traffic
D
Controlling the computer's BIOS
Question 30Single Answer
What is the process of visually emphasizing selected text or an object on a computer screen commonly called?
A
Shading
B
Hyperlinking
C
Highlighting
D
Compiling
Question 31Single Answer
What is an icon in a graphical user interface?
A
An action performed when a button is clicked
B
A small graphical representation of an application, command, file, folder, or function
C
A type of computer memory
D
A text-only command prompt
Question 32Single Answer
In graphical user interfaces, what does an ellipsis (...) following a menu command commonly indicate?
A
The command will open a dialog box or require additional input
B
The command will immediately shut down the computer
C
The command has already been executed
D
The command cannot be selected
Question 33Single Answer
_____________ is an area of memory assigned to store any e-mail message for the user
A
Outlook express
B
yahoo.com
C
post- box
D
mail box
E
None of these
Question 34Single Answer
Group of letters, numbers, and symbols with a common typerface is called as
A
file
B
font
C
style
D
GUI
E
None of these
Question 35Single Answer
A___ is an electronic device that process data converting into information.
A
processor
B
computer
C
menu
D
mouse
E
None of these
Question 36Single Answer
This is the process of getting access to the computer
A
sign in
B
log in
C
log off
D
enter
E
None of these
Question 37Single Answer
The full step wise process of closing a computer is called
A
shutting
B
closing
C
log off
D
shut down
E
None of these
Question 38Single Answer
What is a clickable connection from one web document or resource to another called?
A
Hyperlink
B
Compiler
C
Cursor
D
Clipboard
Question 39Single Answer
This device is used to connect your computer with a telephone line, so that can access information form other servers and ordinary users too, said device is called
A
modem
B
set top box
C
LAN card
D
UPS
E
None of these
Question 40Single Answer
What is an Internet discussion area where users exchange messages about a particular subject traditionally called?
A
Newsgroup
B
Spreadsheet
C
Search engine
D
Device driver
Question 41Single Answer
Which two functional units are fundamental components of a CPU?
A
Control Unit and Arithmetic Logic Unit
B
Keyboard and mouse
C
Monitor and printer
D
Hard disk and optical drive
Question 42Single Answer
Hardware that are easily attached to computer and can be played instantly are called as
A
multimedia
B
plug and play
C
digital
D
point to point
E
None of these
Question 43Single Answer
There is a central file in windows OS that is used to keep track of information about installed hardware and software and their preferences on the specific computer. This file is
A
system database
B
main menu
C
registry
D
directory
E
None of these
Question 44Single Answer
It is the smallest dot that can be uniquely drawn on a computer screen.This is
A
Boxel
B
Computer dort
C
Cursor
D
Pixel
E
None of these
Question 45Single Answer
In an office document, a picture, chart, shape, or other inserted item is generally treated as what?
A
Object
B
Clipboard
C
Cursor
D
Taskbar
Question 46Single Answer
What is a quick press and release of the secondary mouse button called?
A
Right-click
B
Double-click
C
Drag
D
Scroll
Question 47Single Answer
An operation to retrieve information image as well as text which is stored in clip board and inset it at the destined place is
A
copy
B
insert
C
select
D
paste
E
None of these
Question 48Single Answer
Display bar that list all the open folders and active application is
A
menu bar
B
tool bar
C
task bar
D
window list
E
None of these
Question 49Single Answer
A large space common in most of the windows which is for user’s work with that application is
A
application view
B
work area
C
project view
D
tool bars
E
None of these
Question 50Single Answer
__________- is the list of print jobs waiting to be sent to a particular printer
A
print list
B
job queue
C
print requests
D
print queue
E
None of these
Important Questions Package
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General Hindi
Question 51Single Answer
शुद्ध वर्तनी का चयन कीजिए
A
अधम्र
B
अध्रम
C
अधर्म
D
अध्रिम
Question 52Single Answer
शुद्ध वर्तनी का चयन कीजिए
A
स्थायि
B
स्थायी
C
स्थाई
D
स्थाइ
Question 53Single Answer
वर्तनी की दृष्टि से सही शब्द है?
A
महत्व
B
महतव
C
महत्तव
D
महतत्व
Question 54Single Answer
निम्नलिखित में से शुद्ध छांटिए?
A
आयुष्मान
B
आयुश्मान
C
आयुशमान
D
आयुश्यमान
Question 55Single Answer
शुद्ध शब्द नहीं हैं?
A
कवियत्री
B
कौसल्या
C
एश्वर्य
D
श्रृंगार
Question 56Single Answer
शुद्ध वर्तनी है -
A
पूज
B
पुजय
C
पूज्य
D
पुज्य
Question 57Single Answer
शुद्ध वर्तनी है -
A
अनुसरण
B
अनूशरणन
C
अनुशरण
D
अणुशर
Question 58Single Answer
किस क्रमांक में सभी शुद्ध हैं?
A
एक्य,साप्ताहिक
B
आजीविका,आशीर्वाद
C
आर्शिवाद ,अनूकूल
D
निरिक्षण ,कृपालु
Question 59Single Answer
'उज्वल' शब्द का शुद्ध रूप है ?
A
उज्जव
B
उज्ज्ल
C
उज्ज्वल
D
उजवल
Question 60Single Answer
निम्नलिखित प्रश्न में चार वैकल्पिक वर्तनियाॅ दी गई है?
A
जागृत
B
जाग्रति
C
जाग्रित
D
जाग्रत
Question 61Single Answer
निम्नलिखित प्रश्न में चार वैकल्पिक वर्तनियाॅ दी गई है?
A
उन्नति
B
उनति
C
उन्ती
D
उनती
Question 62Single Answer
निम्नलिखित प्रश्न मे चार वैकल्पिक वर्तनियाॅ दी गई है?
A
अनुशहरण
B
अनोसरण
C
अनुसरन
D
अनुसरण
Question 63Single Answer
'पृथ्वीराज रासो' किस काल की रचना है ?
A
आदिकाल
B
रीतिकाल
C
भक्तिकाल
D
आधुनिक काल
Question 64Single Answer
हिन्दी की उत्पत्ति किस भाषा से हुई है?
A
प्राकृत
B
संस्कृत
C
शौरसैनी अपभ्रंश
D
मागधी
Question 65Single Answer
राजभाषा आयोग के प्रथम अध्यक्ष थे ?
A
बी. जी. खरे
B
राजा लक्ष्मण सिंह
C
प्रताप नारायण मिश्र
D
इंशाअल्ला खा
General Studies & Reasoning Ability
Question 66Single Answer
Yojna a weekly journal
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 67Single Answer
How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?
A
Two
B
Three
C
Five
D
Four
E
None of these
Question 68Single Answer
Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is
A
True
B
False
C
Uncertain
D
None
Question 69Single Answer
If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.
A
A
B
E
C
T
D
X
E
Y
Question 70Single Answer
How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?
A
None
B
One
C
Two
D
Three
E
More than three
Question 71Single Answer
How many such pairs of letters in the word CREDIT each of which has as many letters between them in the word as in the English alphabet?
A
None
B
One
C
Two
D
Three
E
More than three
Question 72Single Answer
How many meaningful words can be made from the letters ‘LMEA’ using each letter only once in each word?
A
None
B
One
C
Two
D
Three
E
More than three
Question 73Single Answer
If it is possible to make only one meaningful word with the first, the second, the seventh and the eighth letters of the word TEMPORAL, which of the following will be the first letter of that word? If more than one such word can be made, give ‘Y’ as the answer and if no such word can be made, give ‘X’ as the answer.
A
T
B
L
C
E
D
Y
E
X
Question 74Single Answer
If the letters of the word HANDOVER are arranged alphabetically from left to right how many letters will remain at the same position?
A
None
B
One
C
Two
D
Three
E
More than three
Question 75Single Answer
How many such pairs of letters are there in the word EXCURSION, each of which has as many letters between them in the word as they have in the English alphabet?
A
None
B
One
C
Two
D
Three
E
More than three
Question 76Single Answer
If it is possible to make only one meaningful word with the first, the second, the third, the sixth and the eighth letters of the word DEVIATION first letter of that word is your answer? If more than one such word can be made formed your answer is ‘A’ and if no such word can be formed your answer is ‘B’.
A
V
B
T
C
E
D
A
E
B
Question 77Single Answer
When Uttar Pradesh got it officially as statehood ?
A
24 January, 1950
B
26 January, 1952
C
1 January, 1956
D
18 February, 1957
Question 78Single Answer
How many districts are there in Uttar Pradesh
A
60
B
57
C
75
D
87
Question 79Single Answer
What are the official languages of Uttar Pradesh ?
A
Hindi & Urdu
B
Only Hindi
C
Only Urdu
D
Kumaoni
Question 80Single Answer
How many members of Lok Sabha from Uttar Pradesh ?
A
56
B
78
C
80
D
51
Question 81Single Answer
How many members of Rajya Sabha from Uttar Pradesh ?
A
45
B
51
C
31
D
77
Question 82Single Answer
When was the Constituent Assembly of India formed?
A
1946
B
1947
C
1948
D
1950
Question 83Single Answer
Who is known as the "Father of the Indian Renaissance" ?
A
Raja Ram Mohan Roy
B
Swami Vivekananda
C
Rabindranath Tagore
D
Mahatma Gandhi
Question 84Single Answer
What major defence-related development was highlighted on 1 May 2026 involving India and Italy?
A
Joint naval exercise in the Indian Ocean
B
Purchase of Rafale jets
C
Rajnath Singh-Italy Defence Pact
D
Signing of a nuclear agreement
Question 85Single Answer
Which satellite was launched by ISRO around early May 2026?
A
GSAT-31
B
Chandrayaan-4
C
INSAT-4CR
D
GSAT-32
Electrical
Question 86Single Answer
Resistance switching is normally resorted in case of
A
Air blast CB
B
Bulk oil CB
C
Minimum oil CB
D
All types of CB
Question 87Single Answer
By transmitting power at high voltage
A
it will give poor voltage regulation
B
it will give better voltage regulation
C
it will not effect voltage regulation
D
None of these
Question 88Single Answer
Which statement about the daily load curve is valid ?
A
The area under the curve gives the average demand
B
The ratio of the area under the curves to the total area of rectangle in which it is contained gives the load factor for the day
C
The peak of the curve gives the installed capacity of the plant
D
The area of the curves divided by the number of hours gives load factor
Question 89Single Answer
High voltage Schring bridge is used to measure
A
large capacitance without additional element
B
small capacitance without additional element
C
medium value capacitance
D
None of these
Question 90Single Answer
Draw - in - system of laying underground cables has the drawback (s) of
A
higher cost
B
reduced current carrying capacity of the cables
C
requirements of much deeper and wider trenches
D
repairs, alterations or additions difficult
E
all of the above except
Question 91Single Answer
Surge impedance of a transmission line is
A
independent of its length
B
dependent on its length
C
independent on its temperature
D
none of the above
Question 92Single Answer
If two synchronous generators connected in parallel loose synchronism, it will lead to
A
stalling of generators
B
wild fluctuations in current
C
wild fluctuations in current and voltage
D
None of these
Question 93Single Answer
A differential relay responds to
A
algebraic difference of two or more similar electrical quantities
B
vector difference of two or more similar electrical quantities
C
algebraic difference between two currents
D
algebraic difference between two voltages
Question 94Single Answer
The conductor carries more current on the surface in comparison to its core. This phenomenon is called the
A
Skin effect
B
Corona
C
Ferranti effect
D
Lenz's effect
Question 95Single Answer
A booster is connected in
A
series with the feeder
B
parallel with the feeder
C
both (a) and (b) are correct
D
none of these
Question 96Single Answer
Fuses have got advantages of
A
cheapest type of protection
B
inverse time - current characteristic
C
no maintenance
D
current limiting effect under short - circuit conditions
E
all of the above
Question 97Single Answer
The power transmitted will be maximum when
A
line reactance is high
B
corona losses are minimum
C
sending end voltage is more
D
receiving end voltage is more
Question 98Single Answer
The connected load of a consumer is 2 kW and his maximum demand is 1.5 kW. The load factor of the consumer is
A
0.75
B
0.375
C
1.33
D
None of these
Question 99Single Answer
In a transformer, the exciting current will be in phase quadrature with the impressed voltage provided
A
only the leakage impedance drop is ignored
B
only the core loss is ignored
C
both the leakage impedance drop and the core loss are ignored
D
only the no - load copper loss is ignored
Question 100Single Answer
Which of the following techniques is used for the measurements of a.c. high frequency voltages ?
A
Peak voltmeter
B
Series resistance mircro - ammeter
C
Resistance potential divider
D
All of these
Question 101Single Answer
Use of additional shunt capacitor can be made for increasing the capability of line as it
A
reduces surge impedance Z0
B
increases phase shift β
C
increase in α
D
all of the above
Question 102Single Answer
The sag of a transmission line is least affected owing to
A
weight of the conductor
B
current through the conductor
C
atmospheric temperature
D
ice deposited on the conductor
Question 103Single Answer
In case of Impulse Thermal break down of solid insulating materials, the critical electric field is proportional to
A
critical absolute temperature
B
square of critical absolute temperature
C
square of T0
D
none of these
Question 104Single Answer
The insulation of the modern EHV lines is designed based on
A
corona
B
switching voltages
C
lightning voltage
D
all of these
Question 105Single Answer
For constant voltage transmission, the voltage drop along the line is maintained constant by installing
A
capacitors
B
inductors
C
resistors
D
synchronous phase modifiers at the receiving end
Question 106Single Answer
AC network analyser is employed for solving the problems of
A
load flow
B
load flow and stability
C
load flow and short - circuit
D
load flow, stability and short - circuit
Question 107Single Answer
The change in excitation in an alternator connected to an infinite line provides a corresponding change in
A
terminal voltage
B
speed of rotor
C
power generated
D
power factor
Question 108Single Answer
Different types of insulators used for transmission lines are
A
pin type only
B
suspension type only
C
strain type only
D
pin type, suspension type and shackle type
Question 109Single Answer
The conductor connecting consumer's terminals to the distributor is called the
A
feeder
B
distributor
C
service main
D
none of the above
Question 110Single Answer
Which of the following method or techniques can be used for the measurement of high d.c. voltages ?
A
Generating voltmeter
B
Electrostatic voltmeter
C
Peak voltmeter
D
Half effect generators
Question 111Single Answer
The ripple voltage in dc output is small if
A
frequency of supply voltage is small
B
the filtering capacitor is small
C
load current is small
D
none of these
Question 112Single Answer
The voltage measurements using uniform spark gap are
A
affected by dust particles
B
affected by polarity of supply
C
affected by temperature
D
none of these
Question 113Single Answer
Neutral earthing is provided for
A
the safety of personnel from electric shock
B
the safety of equipment and personnel against lightning and voltage surges
C
reducing the voltage stress on lines and equipment with respect to earth under various operating and fault conditions
D
controlling the earth fault currents for protective relaying
E
both (c) and (d)
Question 114Single Answer
The function of Lightning arrester is
A
to limiting the short - circuit fault current
B
to provide path to high voltage surge to earth
C
to reduce arcing
D
none of these
Question 115Single Answer
In which of the following cases are delay fuses used ?
A
For the protection of light circuits
B
For the protection of power out - let circuits
C
For the protection of fluorescent lamps
D
For the protection of motors
Question 116Single Answer
In order to improve the voltage profile of the line, compensation is resorted by providing
A
capacitors at the receiving end
B
reactors at the receiving end
C
resistors at the receiving end
D
none of these
Question 117Single Answer
Skin effect in conductor is proportional to
A
(diameter of conductor) 1/2
B
diameter of conductor
C
(diameter of conductor)2
D
(diameter of conductor)4
Question 118Single Answer
The function of steel wire in an ACSR conductor is to
A
compensate for skin effect
B
take care of surges
C
provide additional mechanical strength
D
reduce inductance
Question 119Single Answer
A fault is more severe from the view point of RRRV if it is a
A
Short length fault
B
Medium length line fault
C
Long length line fault
D
None of these
Question 120Single Answer
Protective resistance to be connected between the sphere gap and the test equipment is required while measuring
A
power frequency and higher frequency a.c. voltage
B
power frequency and impulse voltage
C
all kinds of voltages
D
none of these
Question 121Single Answer
Series capacitor is used in a transmission line to
A
compensate the voltage drop
B
reduce line loss
C
limit short circuit current
D
improve load power factor
Question 122Single Answer
The passive element that is used as interconnecting element for the stable operation of interconnected system is
A
reactor
B
resistor
C
capacitor
D
resistor and capacitor
Question 123Single Answer
Corona loss in a transmission line is dependent on
A
diameter of the conductor
B
material of the conductor
C
height of the conductor
D
none of these
Question 124Single Answer
In a minimum oil circuit breaker the oil is used
A
to act as circuit breaking medium only
B
for circuit breaking and providing insulation
C
for providing insulation only
D
for none of the above purposes
Question 125Single Answer
Skin effect is
A
proportional to frequency
B
proportional to square of frequency
C
inversely proportional to frequency
D
independent of frequency
Question 126Single Answer
Rated making capacity of breaker is equal to
A
X rated symmetrical breaking capacity
B
2.55 X rated symmetrical breaking capacity
C
1 X rated symmetrical breaking capacity
D
none of these
Question 127Single Answer
The main reason for using high voltage for long distance power transmission is
A
reduction in transmission losses
B
reduction in time of transmission
C
increase in system reliability
D
none of the above
Question 128Single Answer
Bus - coupler is very essential in
A
single bus - bar arrangement
B
ring bus - bar arrangement
C
double bus, double breaker arrangement
D
main and transfer bus
Question 129Single Answer
With the rise in temperature, the insulation resistivity
A
remains unchanged
B
decreases linearly
C
increases linearly
D
reduces exponentially
Question 130Single Answer
The effect of bonding the cable is
A
to increase the effective resistance and inductance
B
to increase the effective resistance but reduce inductance
C
to reduce the effective resistance and inductance
D
to reduce the effective resistance but increase the inductance
Question 131Single Answer
Increase in temperature in overhead transmission lines causes
A
increase in stress and length
B
decrease in stress and length
C
decrease in stress but increase in length
D
none of the above
Question 132Single Answer
The insulation resistance of the cable decreases with the
A
increase in length of cable
B
decrease in length of cable
C
electric stresses
D
none of these
Question 133Single Answer
Corona has the disadvantage(s) of
A
power loss
B
interference with neighbouring communication circuits
C
introducing the harmonics, predominately third harmonics, into the transmission lines
D
all of the above
Question 134Single Answer
In a load duration curve for an intergrated power system the uppermost crest represents the energy contributed by
A
base power stations
B
major thermal stations
C
peaking hydro or gas turbine stations
D
non - conventional power stations
Question 135Single Answer
At bridge crossing and near the railway track ternary lead cables are used because they
A
are of high tensile strength
B
are of low coefficient of thermal expansion
C
are of low specific gravity
D
can withstand shocks and vibrations
Question 136Single Answer
The heat produced at the contact point owing to flow of electric current is least affected by
A
temperature of the surrounding medium
B
contact resistance
C
magnitude of electric current flowing
D
duration of flow of current
Question 137Single Answer
A stationary alternator should not be connected to the live bus - bar because
A
it is likely to operate as a synchronous motor
B
it will get short - circuited
C
it will reduce bus - bar voltage
D
all of the above
Question 138Single Answer
In a transmission system the feeder supplies power to
A
transformer substations (step - up)
B
service mains
C
distributors
D
all of the above
Question 139Single Answer
For a given amount of power to be transmitted over a certain distance with fixed power loss, the volume of copper required is
A
directly proportional to voltage
B
inversely proportional to voltage
C
inversely proportional to the square of voltage and pf of the load
D
directly proportional to the square of the voltage and pf of the load
Question 140Single Answer
Power despatch through a line can be increased by
A
installing series capacitors
B
installing shunt capacitors
C
installing series reactor
D
installing shunt reactor
Question 141Single Answer
In the figure shown which curve represents the variation of cost of generation per kWh with the load factor, for a thermal power plant ?
A
Curve A
B
Curve B
C
Curve C
D
Curve D
Question 142Single Answer
Under 'no load conditions the current in a transmission line is because of
A
capacitance effect
B
corona effect
C
proximity effect
D
back flow from earth
Question 143Single Answer
The only advantage of corona is that it
A
produces a pleasing luminous glow
B
makes line current sinusoidal
C
works as a safety valve for surges
D
ozone gas is produced
Question 144Single Answer
Earth wires are made of
A
copper
B
aluminium
C
iron
D
galvanised stranded steel
Question 145Single Answer
The connected load of a consumer is 2 kW and his maximum demand is 1.5 kW. The demand factor of the consumer is
A
0.75
B
0.375
C
1.33
D
none of the above
Question 146Single Answer
A lightning arrester connected between the line and earth in a power system
A
protects the terminal equipment against travelling surges
B
protects the terminal equipment against direct lightning stroke
C
suppresses high frequency oscillations in the line
D
reflects back the travelling waves approaching it
Question 147Single Answer
Oil filled cables have the advantage(s) of
A
smaller overall size
B
most perfect impregnation
C
easy detection of fault
D
all of the above
Question 148Single Answer
A bus coupler circuit breaker is utilised in a substation for
A
joining the transmission line with station bus - bar
B
joining main and transfer bus in a substation
C
joining the generator with transfer
D
joining the neutral of the generator with earth
Question 149Single Answer
The fluids used in circuit breakers should be of
A
high dielectric strength and thermal stability
B
non - inflammability
C
are extinguishing ability
D
all of the above
Question 150Single Answer
Feeder is designed mainly from the point of view of
A
its current carrying capacity
B
voltage drop in it
C
operating voltage
D
operating frequency
Question 151Single Answer
Power output per unit volume of an MHD generator is proportional to
A
specific electrical conductivity of gas
B
square of the magnetic field strength
C
square of the fluid velocity
D
all of the above
Question 152Single Answer
Increase in frequecy of transmission line causes
A
no change in line resistance
B
increase in line resistance
C
decrease in line resistance
D
decrease in line series reactance
Question 153Single Answer
A dc series generator can excite itself
A
only on zero load current
B
only when load current is not zero
C
irrespective of the value of load current
D
none of the above
Question 154Single Answer
Thermal relays are used for protection of motors against over - current owing to
A
short - circuits
B
heavy loads
C
earth fault
D
all of these
Question 155Single Answer
Transmission efficiency of a transmission line increases with the
A
decrease in power factor and voltage
B
increase in power factor and voltage
C
increase in power factor but decrease in voltage
D
increase in voltage but decrease in power factor
Question 156Single Answer
While using air - blast circuit breaker, current chopping is a phenomenon often observed when
A
a long overhead line is switched off
B
a bank of capacitors is switched off
C
a trasformer on no - load is switched off
D
none of these
Question 157Single Answer
The contact resistance of a circuit breaker is about
A
20 Ω
B
2 Ω
C
20 mΩ
D
20 μΩ
Question 158Single Answer
Metallic shielding is provided on underground cables to
A
reduce thermal resistance
B
reduce corona effect
C
control the electrostatic voltage stress
D
all of the above
Question 159Single Answer
The most economical limit of power factor correcting is governed by
A
original power factor
B
relative costs of the supply and power factor correction equipment
C
both (a) and (b)
D
none of the above
Question 160Single Answer
A short - circuit current is identified by
A
heavy current flow
B
voltage rise
C
voltage drop
D
none of these
Question 161Single Answer
Which of the following materials is not used for transmission and distribution of electrical power ?
A
Tungsten
B
Copper
C
Aluminium
D
Cadmium copper
Question 162Single Answer
Which of the following alternators will have maximum number of poles ?
A
Alternator coupled to hydraulic turbine
B
Alternator coupled to steam turbine
C
Alternator coupled to gas turbine
D
All will have same number of poles
Question 163Single Answer
In humid weather, the corona occurs at a voltage
A
much less than the needed in fair weather
B
much higher than that needed in fair weather
C
equal to that needed in fair weather
D
none of the above
Question 164Single Answer
Short - circuit currents are due to
A
single phase to earth fault
B
phase to phase fault
C
all the three phases to earth fault
D
all the three phases short - circuited
E
any of the above
Question 165Single Answer
Over - current protection respond to
A
increase in current above pick - up value
B
single line to earth faults
C
double line to earth faults
D
all of the above
Question 166Single Answer
A fuse is
A
always connected in series with the circuit
B
always connected in parallel with the circuit
C
normally connected in series with the circuit
D
none of these
Question 167Single Answer
Standard impulse testing of power transformer requires
A
one application of chopped wave followed by one application of full - wave
B
two applications of chopped wave followed by an application of a full - wave
C
one application of chopped wave followed by two application of a full - wave
D
none of these
Question 168Single Answer
The presence of earth in case of overhead lines
A
increases the capacitance
B
increases the inductance
C
decreases the capacitance and increases the inductance
D
does not effect any of the line constants
Question 169Single Answer
Partial discharge measurement on a cable gives
A
p.f of the cable
B
loss angle of the cable
C
location of fault
D
None of these
Question 170Single Answer
Any leakage of air into the condenser destroys the vacuum and causes
A
an increase in air pressure in the condenser limiting the useful heat drop in the steam turbine
B
lowering of the partial pressure of the steam and of the saturation temperature along with it
C
undercooling of the condensate more severe
D
all of the above
Question 171Single Answer
The intersheaths in cables are used to
A
provide proper stress distribution
B
minimize the stress
C
provide protection against moisture and voltage surges
D
provide protection against current and voltage surges
Question 172Single Answer
The string efficiency of insulators can be increased by
A
reducing the number of strings
B
increasing the number of strings
C
correct grading of insulators of various strings
D
none of these
Question 173Single Answer
Which one of the following statements regarding the position of minimum copper loss in a phase of rotary convertor is true ?
A
The position of minimum copper loss is in the middle of the phase whatever may be the power factor
B
The position of minimum copper loss varies with the variation in power factor and this position is displaced from the middle of the phase by the power factor angle
C
The position of minimum copper loss is the tapping point whatever may be the power factor
D
None of the above
Question 174Single Answer
In order to have lower cost of electrical generation
A
the load factor and diversity factor should be high
B
the load factor should be low but diversity factor high
C
the load factor should be high but diversity factor low
D
the load factor and diversity factor should be low
Question 175Single Answer
The stability limit of system is defined as the value of power below which
A
the system is stable and above which also stable
B
the system is unstable and above which it is stable
C
the system is stable and above which it is unstable
D
none of these
Question 176Single Answer
Swing equation represents
A
the variation of power with respect to time
B
the variation of torque angle with respect to time
C
the variation of input power with respect to time
D
none of these
Question 177Single Answer
In case of Impulse Thermal breakdown of insulating materials, the critical time to breakdown is
A
proportional to critical electric field
B
inversely proportional to critical electric field
C
proportional to square of critical absolute temperature
D
none of these
Question 178Single Answer
Economiser in a steam power plant
A
improves the boiler efficiency by 10 - 12 %
B
saves fuel consumption by 5 - 15 %
C
becomes a necessity for pressure
D
none of these
Question 179Single Answer
Conductor configuration determine
A
inductance
B
sag
C
voltage
D
current
Question 180Single Answer
If the length of the arc of circuit breaker increases, its resistance
A
be extinguished
B
decreases
C
remains same
D
none of these
Question 181Single Answer
If the frequency of a transmission system is changed from 50 Hz to 100 Hz, the string efficiency
A
will increase
B
will decrease
C
remain unchanged
D
may increase or decrease depending on the line parameters
Question 182Single Answer
The pressurised water reactors employ
A
light water and natural uranium
B
heavy water and enriched uranium
C
light water and enriched uranium
D
none of the above combinations
Question 183Single Answer
The suitable turbine used for harnessing tidal power is
A
Francis turbine
B
Pelton turbine
C
Kaplan turbine
D
None of these
Question 184Single Answer
In an AC Transmission line, difference in phase of voltages at the two ends of the line is due to
A
resistance of line
B
system voltage
C
reactance of line
D
insulators
Question 185Single Answer
Steam power plants work closely on
A
Binary vapour cycle
B
Brayton cycle
C
Rankine cycle
D
Carnot cycle
Question 186Single Answer
If the tariff for electrical energy charges provides incentive by way of reduced charges for higher consumption, then it may be concluded that the
A
load factor is high
B
power factor is high
C
plant has sufficient reserve capacity
D
power is generated through hydro - power plant
Question 187Single Answer
In overhead lines, the presence of earth wire causes
A
increase in the capacitance
B
increase in the inductance
C
decrease in the capacitance
D
decrease in the inductance
Question 188Single Answer
The use of reactors permits circuit breakers of the installation of
A
lower rating
B
higher rating
C
same rating
D
none of these
Question 189Single Answer
In power plants, the condenser normally used is
A
Surface type
B
Jet type
C
Both surface and jet type
D
Regenerative type
Question 190Single Answer
The critical mass of a nuclear reactor depends upon
A
the enrichment of the fuel used
B
the moderator material used
C
both the enrichment of fuel and moderator material
D
none of these
Question 191Single Answer
When the load on a transmission line is equal to the surge impedance loading
A
the receiving end voltage is less than the sending end voltage
B
the sending end voltage is less than the receiving end voltage
C
the receiving end voltage is equal to the sending end voltage
D
none of these
Question 192Single Answer
In a power plant, a reserve generating capacity which is not in service but is in operation is known as
A
hot reserve reserve
B
cold
C
firm power
D
spinning reserve
Question 193Single Answer
What is the advantage of hydro - electric power stations over thermal power stations ?
A
The initial cost of hydro - electric power stations is low .
B
Their operating cost is low .
C
Hydro - electric power stations can supply the same power throughout the year .
D
Hydro - electric power stations can be constructed where electric energy is required .
Question 194Single Answer
Galvanised steel wire is usually used as
A
stay wire
B
earth wire
C
structural components
D
all of the above
Question 195Single Answer
It is always economical to improve the p.f. of an installation to
A
zero
B
unity
C
a little less than unity
D
a little more than unity
Question 196Single Answer
The efficiency of a transmission line
A
increases with the decrease in load p.f.
B
is independent of load p.f.
C
increases with the increase in load p.f.
D
decreases with the increase in load p.f.
Question 197Single Answer
If the source is not able to supply charging current required by the test cable, it is desirable to use
A
shunt capacitor
B
series capacitor
C
series inductor
D
none of these
Question 198Single Answer
Isolated neutral transmission system is not recommended as the
A
system insulation is overstressed due to over - voltages
B
insulation overstress may lead to its failure resulting in phase to phase faults
C
system is not adequately protected against earth fault
D
all of the above
Question 199Single Answer
The power loss in an overload transmission line is mainly due
A
impedance of the line conductor
B
resistance of each conductor
C
inductance of each conductor
D
capacitance of each conductor
Question 200Single Answer
Sulphur hexafluoride cable is insulated by
A
impregnated paper
B
polyvinyl chloride
C
high pressure oil
D
compressed gas
Question 201Single Answer
The voltage of a bus can be controlled by controlling the
A
phase angle
B
reactive power of the bus
C
active power of the bus
D
phase angle and the reactive power
Question 202Single Answer
A three phase breaker is rated at 2000 MV A, 33 kV, its making current will be
A
35 kA
B
70 kA
C
89 kA
D
160 kA
Question 203Single Answer
The insulation used in a cable designed for use on 1000 kV is usually
A
impregnated paper
B
compressed SF, gas
C
PVC
D
any of the above
Question 204Single Answer
The main function of under voltage protective device generally employed with a motor starter is to power
A
open the supply circuit on failure of supply
B
control the motor voltage
C
prevent the opening of supply circuit
D
none of the above
Question 205Single Answer
Which of the following power plants is free from environmental problems ?
A
Diesel engine
B
Nuclear
C
Hydro - electric
D
Steam
Question 206Single Answer
Which of the following is not a secondary nuclear fuel ?
A
Pu239
B
U233
C
U235
D
None of above
Question 207Single Answer
The purpose of the moderator in a nuclear power plant is to water inlet
A
control the flow of
B
control the amount of nuclear fuel into the reactor
C
control the nuclear fission or fission rate by slowing down the neutrons
D
control the steam flow to the turbine
Question 208Single Answer
Rotating machines are protected against lightning surges by a combination of
A
lightning conductor and capacitor
B
lightning conductor and lightning arrester
C
lightning arrester and capacitor
D
none of these
Question 209Single Answer
The gas turbine power plant can be used in combination with steam power plants by
A
using exhaust gases from gas turbine power plant in heating of feed water coming from the steam trubine condenser
B
using exhaust gases from gas turbine power plant as combustion air in steam boiler
C
using gas from a supercharged boiler for expansion in gas turbine
D
any of the above
Question 210Single Answer
Skin effect
A
increases the effective resistance and effective internal reactance
B
reduces the effective resistance and effective internal reactance
C
increases the effective resistance but reduces the effective internal reactance
D
reduces the effective resistance but increases the effective internal reactance
Question 211Single Answer
The critical clearing time is related to
A
steady state stability limit
B
transient stability limit
C
short - circuit current limit
D
none of these
Question 212Single Answer
As compared to air the relative dielectric strength of sulphur hexafluoride is nearly
A
1.5 times
B
2.5 times
C
4.0 times
D
5.0 times
Question 213Single Answer
The relay best suited for phase fault relaying for medium transmission lines is
A
mho relay
B
reactance relay
C
impedance relay
D
none of these
Question 214Single Answer
In parallel operation of alternators, the synchronising power will be maximum when
A
armatures have resistances equal to their reactances
B
armatures have resistances more than their reactances
C
armatures have resistances lesser than their reactances
D
none of the above
Question 215Single Answer
An adjustable blade propeller turbine is called a
A
Pelton turbine
B
Kaplan turbine
C
Francis turbine
D
None of them
Question 216Single Answer
The criterion for selection of size of conductor for a feeder is
A
Voltage drop
B
Corona loss
C
Temperature rise
D
Radio interference
Question 217Single Answer
Inverse time - current protection of relays are used for the
A
feeders
B
transformers
C
alternators
D
both (a) and (b)
Question 218Single Answer
Surge voltage originate in power system due to
A
lightening
B
switching operations
C
faults
D
all of these
Question 219Single Answer
The proximate analysis of coal gives percentage by weight of
A
moisture and volatile matter
B
moisture, volatile matter, fixed carbon and ash
C
carbon, hydrogen, oxygen, nitrogen, sulphur and ash
D
carbon, hydrogen and oxygen
Question 220Single Answer
A gas turbine works on
A
Carnot cycle
B
Brayton cycle
C
Dual cycle
D
Rankine cycle
E
Regenerative cycle
Question 221Single Answer
Which of the following protects the underground cables against mechanical injury ?
A
Armouring
B
Bedding
C
Sheath
D
None of these
Question 222Single Answer
Coal and peat is not generally used in gas turbines as fuel because of
A
coal handling and ash handling problems
B
their higher costs
C
their non - availability
D
all of the above
Question 223Single Answer
A 1000 kVA transformer with 5% reactance will have a reactance of 10% at
A
1000 kVA base
B
2000 kVA base
C
3000 kVA base
D
4000 kVA base
Question 224Single Answer
In circuit breakers the contact space is ionized by
A
field emission from the contact surface
B
thermal emission from the contact surface
C
thermal ionization of gas
D
any of the above
Question 225Single Answer
When extra stop buttons are added to an existing starter control circuit they must be
A
in series with the contactor coil
B
parallel to the overload
C
parallel to the start button
D
in series with the motor
Question 226Single Answer
In a transmission line, if the load is suddenly increased in the receiving end of the system, the phase shift will
A
decrease
B
become zero
C
increase
D
not be affected
Question 227Single Answer
In case of inter - connected system for stable operation the passive element that can be used as interconnecting element is
A
capacitor
B
reactor
C
resistor
D
any of these
Question 228Single Answer
The rate of rise of restriking voltage depends upon
A
the type of Circuit Breaker
B
the inductance of the system only
C
the capacitance of the system only
D
the inductance and capacitance of the system
Question 229Single Answer
To increase the transmission capability of a high voltage long line
A
the resistance can be increased
B
the resistance can be decreased
C
the series reactance can be reduced
D
the shunt admittance can be reduced
Question 230Single Answer
In Van de Graff generator, output voltage is controlled by
A
controlling the corona source voltage
B
controlling the belt speed
C
controlling the lower spray point
D
all of these
Question 231Single Answer
In a dc 3 - wire distributor using balancers and having unequal loads on the two sides
A
both balancers operate as generators
B
both balancers operate as motors
C
balancer connected to lightly loaded side operates as a generator
D
balancer connected to heavily loaded side operates as a generator
Question 232Single Answer
In context of corona which statement is not true ?
A
Corona is voltage effect .
B
Corona takes place on short transmission lines .
C
Corona is accompanied with power loss .
D
Corona attenuates lightning surges .
Question 233Single Answer
The frequency of voltage generated can be increased by
A
adjusting the governor
B
increasing the excitation
C
reducing the excitation
D
any of the above
Question 234Single Answer
The advantage of transmitting power at high voltage is
A
magnitude of current will be small
B
it will reduce the voltage drop in the line impedance
C
power loss will be less
D
all of these
Question 235Single Answer
If the height of the transmission tower is changed, which of the following parameters is likely to change ?
A
Resistance
B
Inductance
C
Capacitance
D
None of the above
General English
Question 236Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
He was in the temper
B
and refused
C
discuss the matter again
D
No error
Question 237Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
A flower makes no garland
B
so we must do a thing together
C
in a unit for a good result
D
No error
Question 238Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
My friend is a software engineer
B
and his wife is doctor
C
so they don’t have enough time for each other
D
No error
Question 239Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
I don’t have much time that
B
I hear you in detail with verbosity
C
tell everything in nutshell
D
No error
Question 240Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
The atmosphere is changing
B
so I have severe pain in my body
C
if you have any painkiller, please give it to me
D
No error
Question 241Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
No one is without fault
B
because no one is God
C
and only God is fault free
D
No error
Question 242Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
Your
B
clock is
C
one hour fast
D
No error
Question 243Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
The lose of jobs
B
is regarded by some as an necessary evil
C
in the fight against infliation
D
No error
Question 244Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
In science, the credit goes to a man
B
who convinces the world
C
not to the man to whom the idea first occurs
D
No error
Question 245Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
It is only after
B
the match is over
C
that people realize how exciting it is
D
No error
Question 246Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
Off the two
B
sisters, she
C
is better
D
No error
Question 247Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
A interesting book
B
‘A Tale of two cities’
C
was written by Alexander Dumas
D
No error
Question 248Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
I shall never
B
forget a good
C
deed you did to me, when I was in crisis
D
No error
Question 249Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
Wisdom of Vikramaditya
B
solved many riddles
C
that people brought to him for solution
D
No error
Question 250Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.