Kurukshetra a journal on rural development is published by
A
Ministry of Financeย
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 3Single Answer
Devaluation of a currency means
A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market
Question 4Single Answer
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
ย ย ย ย ย ย 1. a large number of farmers are illiterate and know little about scientific agriculture
ย ย ย ย ย ย ย ย ย ย ย 2. prices of primary products are lower than those of manufactured products
ย ย ย ย ย ย ย ย ย ย ย 3. Investments in agriculture has been low when compared to investment in industry
A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3
Question 5Single Answer
Which of the following programmes aims at the promotion of savings among rural women
A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna
Question 6Single Answer
What is Net National Product
A
the money value of final goods and services produced annually in the economy
B
the money value of annual service generation in the economy
C
the money value of tangible goods produced annually in the economy
D
The money value of tangible goods available in the economy
Question 7Single Answer
National income is theย
A
net national product at market price
B
net national product at factor cost
C
net domestic product at market price
D
net domestic product at factor cost
Question 8Single Answer
Sattriya dance form is famous in which of these states ?
A
Assam
B
Himachal Pradesh
C
Punjab
D
Tamil Nadu
Question 9Single Answer
"Who said, 'India was a parrot unto itself'?
A
Malik Muhammad Joyce
B
Raskhan
C
Rich Khusrow
D
Rich Hasan
Question 10Single Answer
Which is the national game of Bhutan ?
A
badminton
B
basketball
C
football
D
archery
Question 11Single Answer
When was the Constituent Assembly of India formed?
A
1946
B
1947
C
1948
D
1950
Question 12Single 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 13Single Answer
What is the study of ethics primarily concerned with ?
A
Economic behavior
B
Human values and moral principles
C
Physical health
D
Political systems
Question 14Single Answer
Who is known as the "Missile Man of India"?
A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. APJ Abdul Kalam
D
Dr. Satish Dhawan
Question 15Single Answer
Which was the first Five Year Plan of India?
A
1947-1952
B
1951-1956
C
1956-1961
D
1961-1966
Question 16Single Answer
On what date did India celebrate the 9th anniversary of the Goods and Services Tax (GST) implementation?
A
July 1, 2026
B
June 30, 2026
C
July 2, 2026
D
June 29, 2026
Question 17Single Answer
Which global event is India participating in with Sweden as a partner?
A
Venus Orbiter Mission 'Shukrayaan'
B
Chandrayaan-4
C
Gaganyaan crewed mission
D
Mars Orbiter Mission-2
Question 18Single Answer
Who became India's 97th Chess Grandmaster in late June 2026?
A
Gukesh D
B
Praggnanandhaa R
C
Harshavardhan G.B.
D
Arjun Erigaisi
Question 19Single Answer
What major merger was approved by the boards of PFC and REC Limited on June 30, 2026?
A
Merger with SBI
B
Merger into a single power financing entity
C
Merger with NTPC
D
Merger with IREDA
Question 20Single Answer
Which initiative was launched at the Rashtriya Gramin Vikas Sammelan 2026 for rural women SHGs?
A
Lakhpati Didi App
B
Digital India Rural Scheme
C
PM Kisan Drone Yojana
D
SARAS Shakti Collection and Coffee Table Book
English And Reasoning
Question 21Single Answer
I go to Madurai by โโ Vaigai Express
A
a
B
an
C
some
D
the
Question 22Single Answer
Have the car stolen!
A
Steal the car
B
You should have the stolen car
C
Get someone to steal the car
D
They have stolen the car
Question 23Single Answer
The payment was collected by the hardworking salesman.
A
The hardworking salesman collected the payment.
B
the salesman who worked heard was able to collect the payment.
C
to collect the payment the salesman had to work hard.
D
The hardworking salesman was able to collect the payment.
Question 24Single Answer
I had to stop all my work to complete this project.
A
All other work had to be stopped to complete this project by me
B
For completing this project all other work must be stopped
C
For completing this project I had to stop all my work
D
To complete this project all other work had been stopped by me
Question 25Single Answer
They have published the names of all the successful candidates.
A
The candidates who have succeeded their names they had published.
B
The names of all the successful candidates have been published by them
C
The candidates who have succeeded their names have been published by them.
D
The names of all the successful candidate were published by them.ย
Question 26Single Answer
The online shopping site lowered the prices.
A
Lowering of the prices was done by the online shopping site
B
The prices were lowered by the online shopping site
C
The prices had been lowered by the online shopping site
D
The prices have been lowered by the online shopping site
Question 27Single Answer
Who taught you to drive a truck ?
A
To drive a truck by whom were you taught?
B
Driving a truck by who were you taught?
C
Driving a truck by who were you being taught?
D
By whom were you taught to drive a truck?
Question 28Single Answer
We shall invite Suresh.
A
Suresh would be invited by us
B
Suresh would have been invited by us
C
Suresh will be invited by us
D
Suresh will have been invited by us
Question 29Single Answer
Passage :
Direction :ย Question below has two blanks, each blank indicting that some thing has been omitted. Choose the word for each blank which best fits the meaning of the sentence as a whole.
The Finance Department has โฆโฆโฆโฆโฆa centralized online databank system for all statutory government bodies to โฆโฆโฆโฆan eye on their assets and liabilities.
A
ย presented , stay
B
introduced , keep
C
announce , make
D
created , let
E
proclaimed , hold
Question 30Single Answer
Passage :
Direction : The five items in this section consists of a word or group of words followed by four words as (a), (b), (c) and (d). Select the word which is nearly opposite to the meaning of the original word or group of words and mark your response as (a), (b), (c) and (d), as the case may be, in your Answer Sheet.
Assets
A
liabilities
B
responsibilities
C
estates
D
profits
Question 31Single Answer
Passage :
Direction :ย In the question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Affidavit
A
ย Affirmation
B
Slander
C
Oath
D
Testimony
Question 32Single Answer
Passage :
Direction:ย In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Hollow
A
Alveolate
B
Cleft
C
ย Cavernous
D
Solid
Question 33Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Cossetย
A
Ignoreb
B
Close
C
Caress
D
Fondle
Question 34Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Ogle
A
Leer
B
Gaze
C
Ignore
D
Gawk
Question 35Single Answer
Passage :
Directions:In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Intrinsic
A
Elemental
B
Innate
C
Connate
D
Acquired
Question 36Single Answer
Passage :
Direction :ย In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Coalesce
A
Separate
B
Adhere
C
Cleave
D
Amalgamate
Question 37Single Answer
Passage :
Directions:ย In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Loiter
A
lagย
B
Hasten
C
Amble
D
Loii
Question 38Single Answer
Passage :
Direction : Question below has two blanks, blank indicating that something has been omitted. Choose the set of words for blank which best fits the meaning of the sentence as a whole.
The protests were......... at ......... awareness among the elite and the educated.
A
held, generating
B
aimed, creating
C
targeted, awakening
D
focused, building
E
concentrated, producing
Question 39Single Answer
Passage :
Directions:In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Deep-seated
A
Chronic
B
Temporary
C
inbred
D
Subconscious
Question 40Single Answer
Passage :
Directions:ย In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Vibrant
A
Drab
B
Gaudy
C
Jazzy
D
Vivid
Question 41Single Answer
How many such pairs of letters are there in the word โCLEANLINESSโ 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 42Single 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 43Single 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 โXโ as the answer and if more than one such word can be formed, give โYโ as the answer.
A
A
B
E
C
T
D
X
E
Y
Question 44Single 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
Noneย ย ย ย ย ย ย ย ย ย ย ย
B
Oneย ย ย ย ย ย ย ย ย
C
Twoย ย ย ย ย ย ย
D
Threeย ย ย ย ย ย ย ย
E
More than three
Question 45Single Answer
Passage :
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .
Which letter in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet ?
A
X
B
W
C
I
D
H
Question 46Single Answer
Passage :
Directionย : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the third alphabet of each of the words is changed to the next alphabet in the English alphabetical series, which of the following will form a meaningful English word?
A
SUM
B
BIG
C
Both BIG and THE
D
FOR
E
Both FOR and BIG
Question 47Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be second from the right ?
A
AND
B
FOR
C
THE
D
BIG
E
SUM
Question 48Single Answer
Passage :
Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed ?
A
None
B
One
C
Two
D
Three
E
Four
Question 49Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
How many letters are there in the English alphabetical series between the second letter of the word which is second from the right and the second letter of the word which is second from the left of the given words?
A
Two
B
Five
C
Six
D
Nine
E
Three
Question 50Single Answer
Passage :
Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If in each of the given words, each of the consonant is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will no vowels appear?
A
None
B
One
C
Two
D
Three
E
More than three
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English And Reasoning
Question 51Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
A
51:52
B
52:53
C
51:53
D
52:55
Question 52Single Answer
Which of the following numbers is irrational ?
A
√49
B
0.125
C
√2
D
22/7
Question 53Single Answer
356 x 936 โ 356 x 836 = ?
A
35600ย ย
B
34500
C
9630
D
93600
Question 54Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
A
3/4 > 7/10 > 5/8
B
7/10 > 3/4 > 5/8
C
3/4 > 5/8 > 7/10
D
5/8 > 7/10 > 3/4
Question 55Single Answer
What is (3^{4} times 9^{2}) ?
A
36
B
38
C
310
D
96
ย
Question 56Single Answer
If 34X-2 = 729, then find the value of X.
A
4ย ย ย ย ย
B
3
C
2ย
D
5
Question 57Single Answer
Convert 0.6 into fraction ?
A
3/5
B
2/3
C
4/5
Question 58Single Answer
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
A
169ย ย
B
36
C
196ย
D
Can not say
Question 59Single Answer
Passage :
information given below and answer the question that follow.
The result of an exam is given below. Out of 1000 students who appeared
(i) 658 failed in Physics
(ii) 166 failed in Physics and Chemistry
(iii) 372 failed in Chemistry, 434 failed in Physics and Maths
(iv) 590 failed in Maths, 126 failed in Maths & Chemistry
Find the number of people who failed in (assuming that none is passed in all subjects.
We have the following equations:
a+ b + c + d + e + f + g = 1000
a + b + d + e = 658, b + d = 166
b + d + c + f = 372
d + e = 434 as in the figure.
d + e + f + g = 590, d + f = 126. Find the values
Chemistry but not in Physics.
A
318
B
198
C
213ย
D
206
Question 60Single Answer
Passage :
Direction: information given below and answer the question that follow.
The result of an exam is given below. Out of 1000 students who appeared
(i) 658 failed in Physics
(ii) 166 failed in Physics and Chemistry
(iii) 372 failed in Chemistry, 434 failed in Physics and Maths
(iv) 590 failed in Maths, 126 failed in Maths & Chemistry
Find the number of people who failed in (assuming that none is passed in all subjects.
We have the following equations:
a+ b + c + d + e + f + g = 1000
a + b + d + e = 658, b + d = 166
b + d + c + f = 372
d + e = 434 as in the figure.
d + e + f + g = 590, d + f = 126. Find the values
Physics or Maths but not in Chemistry.
A
558ย ย ย
B
718
C
628ย ย
D
None of these
Concerned Subject (Electrical)
Question 61Single Answer
When a very small amount of higher conducting metal is added to a conductor, its conductivity willย
A
increase
B
ย decrease
C
remain the sameย
D
increase or decrease depending on the impurity
Question 62Single Answer
An electrically balanced atom has 30 protons in its nucleus and 2 electrons in its outermost shell. The materials made of such atom is
A
a conductor
B
an insulator
C
a semiconductorย
D
a superconductor
Question 63Single Answer
The temperature coefficient of resistance of a doped semiconductor is
A
always positive
B
always negative
C
zeroย
D
positive or negative depending upon the level of dopingย
Question 64Single Answer
In the slice processing of an integrated circuit
A
components are formed in the areas where silicon dioxide remains
B
components are formed in the areas where silicon dioxide has been removed
C
the diffusing elements diffuse through silicon dioxideย
D
only on diffusion process is usedย
Question 65Single Answer
Permanent magnet loses the magnetic behaviour when heated because of
1. atomic vibration
2. dipole vibration
3. realignment of dipoles
Which of the above are correct?
A
1ย and 2 onlyย
B
1 and 3 only
C
1, 2 and 3 ย ย ย ย ย
D
2 and 3
Question 66Single Answer
A semiconductor differs from a conductor in that it has
A
Only one path for the free electrons in the valence band
B
Only one path for holes in the conduction band
C
Two paths followed by free electrons and holes, one an ordinary path in the conduction band and the other one an extraordinary path in the valence band, respectivelyย
D
Two paths followed by free electrons and holes, one an extraordinary path in the conduction band and the other one an ordinary path in valence band, respectivelyย
Question 67Single Answer
Which of the following circuits is used for converting a sine wave into a square wave?
A
Monostablemultivibrator
B
Bistablemultivibrator
C
Schmitt trigger circuitย
D
Darlington complementary pair
Question 68Single Answer
Which of the following elements of electrical engineering cannot be analyzed using Ohmโs law ?
A
Capacitors
B
Inductors
C
Transistors
D
Resistance
Question 69Single Answer
Consider the following statements: A power supply uses bridge rectifier with a capacitor input filter. If one of the diodes is defective, then
1. The dc load voltage will be lower than its expected value
2. Ripple frequency will be lower than its expected value
3. The surge current will increase considerably
Which of the above statements are correct?
A
1ย and 2 onlyย
B
1 and 3 only
C
2 and 3 onlyย
D
1, 2 and 3ย
Question 70Single Answer
Three identical amplifiers each having a voltage gain of 50 are cascaded. The open loop voltage gain of the combined amplifier is
A
71 dBย
B
82 dBย
C
91 dBย
D
102 dBย
Question 71Single Answer
If a square matrix of order 100 has exactly 15 distinct eigenvalues, then the degree of the minimum polynomial isย
A
At least 15ย
B
At most 15ย
C
Always 15ย
D
Exactly 100
Question 72Single Answer
For high speed reading and storing of information in a computer, the core shall be ofย
A
Ferriteย
B
Piezoelectricย
C
Pyroelectricย
D
Ferromagnetic above 768ยฐC
Question 73Single Answer
Soft magnetic materials should haveย
A
Large saturation magnetization and large permeabilityย
B
Low saturation magnetization and large permeabilityย
C
Large saturation magnetization and low permeabilityย
D
Low saturation magnetization and low permeabilityย
Question 74Single Answer
Orbital magnetic moment of an electron, in an atom, is of the order ofย
A
0.1 Bohr magnetonย
B
1.0 Bohr magnetonย
C
10 Bohr magnetonย
D
100 Bohr magneton
Question 75Single Answer
When the temperature of a ferromagnetic material exceeds the Curie temperature, it behaves similar to aย
A
Diamagnetic materialย
B
Ferrimagnetic materialย
C
Paramagnetic materialย
D
ย Antiferromagnetic material
Question 76Single Answer
Assuming both the voltage sources are in phase, the value of R for which maximum power is transferred from circuit A to circuit B is
A
0.8 โฆ
B
1.4 โฆ
C
2 โฆ
D
2.8 โฆ
Question 77Single Answer
For the intrinsic gallium-arsenide, the conductivity at room temperature 25ยฐC is 10-6 (ohm-m)-1, the electron and hole nobilities are 0.85 m2/V-s and 0.04 m2/V-s respectively. What is the intrinsic carrier concentration at the room temperature?
A
7.0 ร 1012ย m-3
B
7.0 ร 10-12ย m-3
C
7.0 ร 10-12ย m3
D
7.0 ร 1012ย m3
Question 78Single Answer
The resistivity of intrinsic germanium at 30ยฐC is 0.46 โm. What is the intrinsic carrier density at 30ยฐC if the electron mobility is 0.38 m2/V-s and the hole mobility is 0.18 m2/V-s?
A
9.2 ร 105/m3
B
2.77 ร 103/m3
C
2.43 ร 1019/m3
D
8.9 ร 1012/m3
Question 79Single Answer
Heat conduction in a semiconductor takes place
A
By the mobility of the carriers
B
Due to energy gap between conduction band and valency band
C
By the holes and thermal vibrations of atoms
D
By the electrons and thermal vibrations of atoms
Question 80Single Answer
Brewster angle is the angle when a wave is incident on the surface of a perfect dielectric at which there is no reflected wave and the incident wave is
A
Parallel polarized
B
Perpendicularly polarized
C
Normally polarized
D
None of the above
Question 81Single Answer
An electrical breakdown of a p-n junction occurs if
A
Forward voltage increases up to the rating
B
Reverse voltage increases beyond the rating
C
Forward voltage decreases below the rating
D
Reverse voltage decreases below the rating
Question 82Single Answer
The chief deterrent to the widespread application of superconducting materials is
A
Very difficult to form, machine or case
B
The difficult in attaining and maintaining extremely low temperature
C
The poor strength-to-weight ratio
D
The lower oxidation rate at elevated temperatures
Question 83Single Answer
Which one of the following properties is not observed in the carbon nanotubes ?
A
High stiffness and strengths
B
Low densities
C
Unusual electrical property
D
Non-ductile
Question 84Single Answer
The evidence for the importance of electron-phonon interaction in super-conductors comes from
A
Meissner effect
B
Josephson effect
C
Isotope effect
D
x quantization experiments
Question 85Single Answer
Which one of the following materials is used for cable insulation ?
A
Phenol formaldehyde
B
Polytetrafluoroethylene
C
Polyvinyl chloride
D
Acrylonitrile butadiene styrene
Question 86Single Answer
For high speed reading and storing of information in a computer, the material used is
A
Ferrite
B
Piezoelectric
C
Pyroelectric
D
Ferromagnetic above 768ยฐC
Question 87Single Answer
The temperature above which an anti-ferromagnetic material becomes paramagnetic is called
A
Peak temperature
B
Neel temperatur
C
Critical temperature
D
Weiss temperature
Question 88Single Answer
Which effect is the converse of Peltier effect ?
A
Seeback effect
B
Thomson effect
C
Hall effect
D
Joule effect
Question 89Single Answer
Magnetic materials which may be readily magnetized in either direction are
A
Soft magnetic materials
B
Hard magnetic materials
C
High eddy current loss materials
D
High hysteresis loss materials
Question 90Single Answer
Consider the following statements regarding a ferromagnetic material:
1.Below the ferromagnetic Curie temperature, the ferromagnetic materials exhibit hysteresis effect.
2.The coercive force is the filed required to reduce the flux density to zero.ย
Which of the above statements is/are correct?
A
Both 1 and 2
B
Neither 1 nor 2
C
1 only
D
2 only
Question 91Single Answer
The impact ionization phenomenon in semiconductor may be viewed as the reverse process of
A
Radiative recombination
B
Auger recombination
C
Surface recombination
D
Shockley-Read-Hall recombination
Question 92Single Answer
Refractive index of a slice glass can be reduced by doping it with tiny amount of
A
GeO2
B
B2O3
C
P2O5x
D
Al2O3
Question 93Single Answer
If a diameter of a copper wire is increased by two times keeping its terminal voltage same, then the drift velocity will
A
Become twice
B
Become half
C
ecome four times
D
Remain unchanged
Question 94Single Answer
Inย an induction type energy meter, the steady speed attained by the rotating disc is
1.Proportional to the deflecting torque.
2.Proportional to the resistance of the path of eddy currents.
3.Inversely proportional to the effective readings of disc from its axis.
4.Inversely proportional to the square of brake magnetic flux.ย
Which of the above are correct?
A
1, 2 and 3 only
B
1, 2 and 4 only
C
2, 3 and 4 only
D
1, 2, 3 and 4
Question 95Single Answer
If โKCLFTSBโ stands for โbest ofย luckโ and โSHSWDGโ stands for โgood wishesโ, which of the following indicates โace the examโ?
A
MCHTX
B
MXHTC
C
XMHCT
D
XMHTC
Question 96Single Answer
Consider ย the following statements associated with the basic electrostatic properties of ideal conductors:
1.The resultant field inside is zero.
2.The net charge density in the interior is zero.
3.Any net charges reside on the surface.
4.The surface is always equipotential.
5.The field just outside is zero.ย
Which of the above statements are correct?
A
1, 2, 3 and 4
B
3, 4 and 5 only
C
1, 2 and 3 only
D
2 and 3 only
Question 97Single Answer
A semiconductor device made out of a material having very high temperature coefficient of resistance is
A
Transistor
B
Varistor
C
Thyristor
D
Thermistor
Question 98Single Answer
The electrical conductivity of a semiconductor increases with increase in temperature because
A
The carrier concentration increases
B
The mobility of carrier increases
C
Both carrier concentration and mobility increases
D
The band gap decreases
Question 99Single Answer
Which of the following are associated with soft superconductors?
1.Silsbeeโs rule
2.Meissner effect
3.Faraday rotation
4.Curie-Weiss law
A
2, 3 and 4
B
1 and 3 only
C
1 and 2 only
D
2 and 3 only
Question 100Single Answer
In a two-channel oscilloscope operating in x-y mode, two in-phase 50 Hz sinusoidal waveforms of equal amplitude are fed to the two channels. What will be the resultant pattern on the screen?
A
An ellipse
B
A parabola
C
Straight line inclined at 45 with respect to x-axis
D
A circle
Question 101Single 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 102Single 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 103Single 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 104Single 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 105Single 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 106Single 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 107Single 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 108Single 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 109Single 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 110Single 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 111Single 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 112Single 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 113Single 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 114Single 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 115Single 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 116Single 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 117Single 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 118Single 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 119Single 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 120Single 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 121Single 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 122Single 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 123Single 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 124Single 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 125Single 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 126Single 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 127Single 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 128Single 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 129Single 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 130Single 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 131Single Answer
What is the primary purpose of the Laplace transform in network analysis?
A
To solve differential equations in the time domain
B
To convert time-domain signals to frequency domain
C
To analyze discrete systems
D
To synthesize network components
Question 132Single Answer
What is the Laplace transform of a unit step function u(t)?
A
1/s
B
s
C
e(-s)
D
1/(s+1)
Question 133Single Answer
Which property of the Laplace transform is used to handle initial conditions in network analysis?
A
Linearity
B
Time-shifting
C
Differentiation in time domain
D
Convolution
Question 134Single Answer
What is the Laplace transform of the derivative of a function f(t)?
A
sF(s)
B
sF(s) - f(0)
C
F(s)/s
D
F(s) + f(0)
Question 135Single Answer
What is the primary application of the Laplace transform in circuit analysis?
A
Solving algebraic equations
B
Solving differential equations for transient response
C
Analyzing steady-state response
D
Synthesizing network components
Question 136Single Answer
What is the Laplace transform of an exponential function e(-at)?
A
1/(s+1)
B
Decrease the speed
C
Have no effect on speed
D
Increase the torque
Question 137Single Answer
Which transform is used to analyze the frequency response of a network?
A
Laplace transform
B
Fourier transform
C
Z-transform
D
Hilbert transform
Question 138Single Answer
What is the primary advantage of using the Fourier transform in network analysis?
A
Handles initial conditions
B
Analyzes steady-state sinusoidal signals
C
Solves discrete systems
D
Synthesizes networks
Question 139Single Answer
Which property of the Fourier transform is used to analyze convolution in networks?
A
Linearity
B
Time-shifting
C
Convolution theorem
D
Frequency-shifting
Question 140Single Answer
What is the Laplace transform of a unit impulse function (t)?
A
1
B
s
C
1/s
D
e(-s)
Question 141Single Answer
What is the impedance of a resistor R in the Laplace domain?
A
R
B
sR
C
R/s
D
1/R
Question 142Single Answer
What is the impedance of an inductor L in the Laplace domain?
A
L
B
sL
C
L/s
D
1/sL
Question 143Single Answer
What is the primary function of a chopper in a DC drive system?
A
To regulate AC voltage
B
To convert DC to AC
C
To control DC voltage by varying duty cycle
D
To step up AC voltage
Question 144Single Answer
Which type of chopper is used for regenerative braking in DC drives?
A
Step-up chopper
B
Step-down chopper
C
Two-quadrant chopper
D
Single-quadrant chopper
Question 145Single Answer
In a DC drive, what does the armature control method primarily regulate?
A
Field current
B
Armature voltage
C
Motor torque
D
Back EMF
Question 146Single Answer
What is the role of a freewheeling diode in a DC chopper circuit?
A
To increase voltage
B
To provide a path for inductor current during off-time
C
To block reverse current
D
To regulate frequency
Question 147Single Answer
Which power electronic device is commonly used in DC drives for speed control?
A
Diode
B
Thyristor
C
IGBT
D
BJT
Question 148Single Answer
What is the main advantage of using a PWM-based chopper in DC drives?
A
High power loss
B
Reduced harmonics and improved efficiency
C
Fixed frequency operation
D
Low voltage regulation
Question 149Single Answer
In a DC motor drive, how is speed increased above the base speed?
A
By reducing field current
B
By increasing armature voltage
C
By increasing load torque
D
By reducing armature resistance
Question 150Single Answer
What is the purpose of a cycloconverter in AC drives?
A
To convert DC to AC
B
To convert AC of one frequency to another
C
To regulate DC voltage
D
To step up AC voltage
Question 151Single Answer
Which type of AC drive is most suitable for high-power applications?
A
Voltage source inverter (VSI) drive
B
Cycloconverter drive
C
Current source inverter (CSI) drive
D
Matrix converter drive
Question 152Single Answer
What is the function of a V/f control in AC drives?
A
To maintain constant torque
B
To maintain constant flux
C
To reduce harmonics
D
To increase power factor
Question 153Single Answer
Which modulation technique is commonly used in AC drive inverters?
A
Amplitude modulation
B
Frequency modulation
C
Pulse width modulation (PWM)
D
Phase modulation
Question 154Single Answer
What happens if the V/f ratio is increased in an AC drive?
A
Motor overheats
B
Flux decreases
C
Torque increases
D
Speed decreases
Question 155Single Answer
Which component in an AC drive converts AC to DC?
A
Inverter
B
Rectifier
C
Chopper
D
Cycloconverter
Question 156Single Answer
If (A=\begin{bmatrix}2&1\4&2\end{bmatrix}), what is the rank of matrix (A)?
A
0
B
1
C
2
D
3
Question 157Single Answer
What is the determinant of the matrix (\begin{bmatrix}3&5\2&7\end{bmatrix})?
A
19
B
21
C
17
D
11
Question 158Single Answer
A square matrix is invertible if and only if?
A
Its determinant is zero
B
Its trace is zero
C
It is symmetric
D
Its determinant is non-zero
Question 159Single Answer
The eigenvalues of the identity matrix of order 4 are?
A
0, 0, 0, 0
B
1, 1, 1, 1
C
4, 4, 4, 4
D
โ1, โ1, โ1, โ1
Question 160Single Answer
If the trace of a 3ร3 matrix is 12 and two eigenvalues are 2 and 5, what is the third eigenvalue?