Kurukshetra a journal on rural development is published by
A
Ministry of FinanceΒ
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 3Single Answer
Sattriya dance form is famous in which of these states ?
A
Assam
B
Himachal Pradesh
C
Punjab
D
Tamil Nadu
Question 4Single Answer
"Who said, 'India was a parrot unto itself'?
A
Malik Muhammad Joyce
B
Raskhan
C
Rich Khusrow
D
Rich Hasan
Question 5Single Answer
What was the real name of Amir Khusro?
A
Muhammad Hasan
B
Muhammad Hussain
C
Muhammad Khusrow
D
Muhammad Mine
Question 6Single Answer
Which is the national game of Bhutan ?
A
badminton
B
basketball
C
football
D
archery
Question 7Single Answer
When was the Constituent Assembly of India formed?
A
1946
B
1947
C
1948
D
1950
Question 8Single 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 9Single 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 10Single 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 11Single Answer
Which organization is responsible for India's space exploration programs?
A
BARC
B
ISRO
C
DRDO
D
HAL
Question 12Single Answer
Which is the longest river in India?
A
Yamuna
B
Ganges
C
Brahmaputra
D
Godavari
Question 13Single Answer
Who among the following was associated with Enlightenment philosophy?
A
Voltaire
B
Shakespeare
C
Erasmus
D
All of the above
Question 14Single Answer
Which day is observed on October 1, 2025 to promote elderly care and respect?
A
World Heart Day
B
International Day of Older Persons
C
World Habitat Day
D
International Coffee Day
Question 15Single Answer
Which international day is observed on October 1, 2025 to raise awareness about habitat and urban issues?
A
World Habitat Day
B
World Animal Day
C
International Day of Non-Violence
D
World Teachers' Day
Physics & Chemistry
Question 16Single Answer
Temperature can be expressed as derived quantity in terms of
A
length and mass
B
mass and time
C
length, mass and time
D
None of these
Question 17Single Answer
Electron volt is a unit of
A
potential difference
B
charge
C
energy
D
capacity
Question 18Single Answer
Dimensions of impulse are
A
[MLT β1]
B
[MLTΒ²]
C
[MTβ2]
D
[MLβ1Tβ3]
Question 19Single Answer
Potential is measured in
A
joule/coulomb
B
watt/coulomb
C
newtonβsecond
D
None of these
Question 20Single Answer
One Nanometer is equal to
A
10β9m
B
10β6m
C
10β10m
D
10β3m
Question 21Single Answer
Maxwell is the unit of
A
magnetic susceptibility
B
intensity of Magnetisation
C
magnetic Flux
D
magnetic Permeability
Question 22Single Answer
Which of the following is derived physical quantity ?
A
Mass
B
Velocity
C
Length
D
Time
Question 23Single Answer
What are the units of magnetic permeability ?
A
Wb Aβ1 mβ1
B
Wbβ1 Am
C
Wb A mβ1
D
Wb Aβ1 m
Question 24Single Answer
Which of the following is not a synthetic fibre:
A
Anygora
B
Rayon
C
Nylon
D
Polyster
Question 25Single Answer
Which one of the following is not contained in Portland cement ?
A
Ca3Al2O6
B
Ca3SiO5
C
Ca2SiΒO4
D
Ca3(PO4)2
Question 26Single Answer
What is the reson for white cement to be white ?
A
It does not contain carbon
B
It does not contain silicon
C
It does not contain iron
D
It does not contain calcium
Question 27Single Answer
Which fertilizer is assimilated directly by the plant ?
A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus
Question 28Single Answer
Which of the following chemicals is used in foam fire extinguishers ?
A
Aluminium sulphate
B
Copper sulphate
C
Cobalt sulphate
D
Nickel sulphateΒ
Question 29Single Answer
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
A
Glass
B
Cement
C
paint
D
Gun powder
Question 30Single Answer
Which one of the following chemicals is used in beauty parlours for hair β setting ?
A
Sulphur based
B
Phosphorus based
C
Silicon based
D
Iron basedΒ
Basics of Computer Application
Question 31Single Answer
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 32Single 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 33Single 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 34Single 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 35Single 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 36Single 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 37Single 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 38Single 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 39Single 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 40Single 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
Basics of Environment and Pollution Control
Question 41Single Answer
Which of the following defines an ecosystem?
A
A group of similar organisms
B
The interaction between living organisms and their physical environment
C
A community of plants
D
A population of animals
Question 42Single Answer
What is biodiversity?
A
The number of individuals in a population
B
The variety of life in a particular habitat or ecosystem
C
The amount of rainfall in a region
D
The average temperature of an area
Question 43Single Answer
Which of the following is an abiotic factor?
A
Bacteria
B
Plants
C
Sunlight
D
Animals
Question 44Single Answer
Which of the following is a biotic factor?
A
Water
B
Soil
C
Fungi
D
Air
Question 45Single Answer
What is sustainable use of natural resources?
A
Using resources without considering future needs
B
Using resources in a way that meets current needs without compromising future availability
C
Exploiting resources for maximum profit
D
Ignoring resource depletion
Question 46Single Answer
Which of the following is an example of a natural resource?
A
Plastic
B
Steel
C
Coal
D
Synthetic fibers
Question 47Single Answer
What is the role of decomposers in an ecosystem?
A
To produce food
B
To consume living organisms
C
To break down dead organic matter
D
To provide shelter
Question 48Single Answer
Which level of the food chain do plants occupy?
A
Primary consumers
B
Secondary consumers
C
Producers
D
Decomposers
Question 49Single Answer
What is the significance of biodiversity?
A
It increases vulnerability to diseases
B
It provides ecosystem stability and resilience
C
It reduces the number of natural resources
D
It has no impact on the environment
Question 50Single Answer
What is the primary source of energy for most ecosystems?
A
Chemical energy
B
Geothermal energy
C
Solar energy
D
Nuclear energy
Important Questions Package
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Technical Abilities (Electrical TRS)
Question 51Single Answer
The SI unit of electric charge is?
A
Ampere
B
Coulomb
C
Volt
D
Ohm
Question 52Single Answer
Which quantity is defined as the rate of flow of charge?
A
Voltage
B
Resistance
C
Current
D
Capacitance
Question 53Single Answer
The reciprocal of resistance is called?
A
Conductivity
B
Reactance
C
Impedance
D
Conductance
Question 54Single Answer
The unit of electric potential difference is?
A
Watt
B
Volt
C
Joule
D
Coulomb
Question 55Single Answer
Ohmβs Law states that current through a conductor is proportional to?
A
Resistance
B
Power
C
Voltage
D
Temperature
Question 56Single Answer
The energy stored in a capacitor is proportional to?
A
Current
B
Resistance
C
Voltage squared
D
Frequency
Question 57Single Answer
The unit of inductance is?
A
Tesla
B
Weber
C
Henry
D
Farad
Question 58Single Answer
In a pure resistor circuit, current and voltage are?
A
In phase
B
90Β° out of phase
C
180Β° out of phase
D
Independent
Question 59Single Answer
A capacitor stores energy in which form?
A
Magnetic field
B
Electric field
C
Thermal energy
D
Chemical energy
Question 60Single Answer
The property of a coil that opposes change of current is?
A
Capacitance
B
Inductance
C
Resistance
D
Conductance
Question 61Single Answer
Kirchhoffβs Current Law is based on which principle?
A
Conservation of energy
B
Conservation of charge
C
Conservation of power
D
Conservation of momentum
Question 62Single Answer
Kirchhoffβs Voltage Law states that the sum of voltages in a closed loop is?
A
Equal to current
B
Zero
C
Equal to power
D
Maximum
Question 63Single Answer
Theveninβs theorem replaces a complex circuit with?
A
Equivalent voltage source and resistance
B
Equivalent current source and resistance
C
Parallel current sources
D
Multiple voltage sources
Question 64Single Answer
Nortonβs theorem uses which equivalent circuit?
A
Voltage source in series with resistance
B
Voltage source in parallel with inductance
C
Current source in parallel with resistance
D
None of these
Question 65Single Answer
Superposition theorem is valid only for?
A
Nonlinear circuits
B
Linear circuits
C
Magnetic circuits
D
Digital circuits
Question 66Single Answer
Reciprocity theorem applies to which kind of networks?
A
Nonlinear unilateral
B
Linear bilateral
C
Active only
D
Passive only
Question 67Single Answer
Maximum power transfer occurs when load resistance equals?
A
Zero
B
Half the source resistance
C
Twice the source resistance
D
Source resistance
Question 68Single Answer
The current division rule applies to?
A
Series circuits
B
Both
C
Parallel circuits
D
None
Question 69Single Answer
In an AC circuit, the phase difference between voltage and current in a pure inductor is?
A
90Β° (current lags)
B
0Β°
C
90Β° (current leads)
D
180Β°
Question 70Single Answer
In a pure capacitive circuit, current leads voltage by?
A
0Β°
B
45Β°
C
180Β°
D
90Β°
Question 71Single Answer
The power factor of a purely resistive circuit is?
A
Zero
B
Leading
C
Lagging
D
Unity
Question 72Single Answer
In a three-phase balanced system, the phase difference between phases is?
A
60Β°
B
90Β°
C
120Β°
D
180Β°
Question 73Single Answer
Resonance in an RLC series circuit occurs when?
A
R = XL
B
R = XC
C
XL = XC
D
XL + XC = 0
Question 74Single Answer
At resonance, the impedance of a series RLC circuit is?
A
Zero
B
Maximum
C
Minimum
D
Infinite
Question 75Single Answer
The unit of power factor is?
A
Dimensionless
B
Var
C
Watt
D
Ohm
Question 76Single Answer
In DC machine, the function of the commutator is to?
A
Convert AC to DC
B
Convert DC to AC
C
Increase speed
D
Reduce losses
Question 77Single Answer
The armature of a DC motor carries?
A
Both
B
Direct current
C
Alternating current
D
None
Question 78Single Answer
The speed of a DC shunt motor is controlled by varying?
A
Field current
B
Armature current
C
Load current
D
Supply voltage only
Question 79Single Answer
In a DC generator, the voltage generated depends on?
A
Only flux
B
Flux and speed
C
Only speed
D
Temperature
Question 80Single Answer
Armature reaction in a DC machine causes?
A
Improved commutation
B
Distortion of main field
C
Increase in efficiency
D
No effect
Question 81Single Answer
Interpoles in DC machines are used to?
A
Decrease voltage
B
Reduce speed
C
Increase flux
D
Improve commutation
Question 82Single Answer
The losses in a DC machine are divided into?
A
Copper and core losses
B
Eddy and hysteresis losses only
C
Copper, iron, and mechanical losses
D
None
Question 83Single Answer
The efficiency of a DC generator is maximum when?
A
Variable losses = Constant losses
B
Iron losses = Copper losses
C
Load current = Rated current
D
None
Question 84Single Answer
The back EMF in a DC motor is proportional to?
A
Torque
B
Speed
C
Supply voltage
D
Current
Question 85Single Answer
The torque of a DC motor is proportional to?
A
Current only
B
Speed Γ Voltage
C
Flux Γ Armature current
D
None
Question 86Single Answer
In a transformer, the function of the core is to?
A
Support windings
B
Reduce magnetic reluctance
C
Provide insulation
D
Convert voltage
Question 87Single Answer
In an ideal transformer, primary and secondary losses are?
A
Maximum
B
Zero
C
50%
D
Infinite
Question 88Single Answer
The open-circuit test on a transformer gives?
A
Efficiency
B
Copper losses
C
Both
D
Core losses
Question 89Single Answer
The short-circuit test on a transformer gives?
A
Copper losses
B
Iron losses
C
Both
D
Regulation
Question 90Single Answer
Auto-transformer efficiency is usually?
A
Higher than two-winding
B
Lower than two-winding
C
Same
D
None
Question 91Single Answer
In a step-up transformer, the secondary voltage is?
A
Lower
B
Higher
C
Equal
D
Zero
Question 92Single Answer
In a transformer, the no-load current lags the voltage by about?
A
0Β°
B
30Β°
C
60Β°
D
80Β°β85Β°
Question 93Single Answer
Efficiency of a transformer is maximum when?
A
Copper = Iron losses
B
Voltage = Current
C
Core = Load losses
D
Load = 0
Question 94Single Answer
The rotating magnetic field in a 3-phase induction motor is produced by?
A
Rotor winding
B
Stator winding
C
Field poles
D
None
Question 95Single Answer
Slip in an induction motor is defined as?
A
(Ns + N)/Ns
B
(N β Ns)/N
C
(Ns β N)/Ns
D
Ns/N
Question 96Single Answer
In an induction motor, the rotor frequency is?
A
Supply frequency
B
s Γ supply frequency
C
Zero
D
1/s
Question 97Single Answer
The torque in a 3-phase induction motor is proportional to?
A
Slip
B
Speed
C
Supply voltage
D
a & c
Question 98Single Answer
The starting torque of a squirrel-cage induction motor is?
A
Low
B
High
C
Medium
D
Infinite
Question 99Single Answer
Rotor bars of squirrel-cage induction motor are usually made of?
A
Copper or aluminum
B
Iron
C
Steel
D
Brass
Question 100Single Answer
Star-delta starter is used for?
A
DC motors
B
Single-phase motors
C
Three-phase induction motors
D
Transformers
Question 101Single Answer
The direction of rotation of an induction motor can be reversed by interchanging?
A
All three lines
B
Any two supply lines
C
Rotor bars
D
Supply frequency
Question 102Single Answer
The efficiency of induction motor is maximum at?
A
No-load
B
Half-load
C
Full-load
D
Zero-load
Question 103Single Answer
The speed of an induction motor can be controlled by?
A
Changing supply frequency
B
Changing number of poles
C
Rotor resistance variation
D
All of the above
Question 104Single Answer
In synchronous machines, the speed is given by?
A
60 f/P
B
120 f/P
C
P/120 f
D
100 f/P
Question 105Single Answer
A synchronous motor runs at?
A
Synchronous speed
B
Variable speed
C
Slip speed
D
Half synchronous speed
Question 106Single Answer
The armature of alternator is usually placed on?
A
Rotor
B
Frame
C
Shaft
D
Stator
Question 107Single Answer
Voltage regulation of alternator is the change in voltage from no-load to full-load at?
A
Constant current
B
Constant power
C
Constant excitation
D
Constant speed
Question 108Single Answer
The frequency of generated voltage in an alternator depends on?
A
Voltage
B
Speed and number of poles
C
Current
D
Resistance
Question 109Single Answer
The method used to find voltage regulation of alternator is?
A
EMF method
B
MMF method
C
All of these
D
ZPF method
Question 110Single Answer
Synchronous condenser is used for?
A
Load balancing
B
Speed control
C
Voltage regulation
D
Power factor correction
Question 111Single Answer
Synchronizing torque helps in?
A
Increasing speed
B
Pulling the rotor into synchronism
C
Reducing power
D
None
Question 112Single Answer
Damper windings are used in synchronous machines to?
A
Prevent hunting
B
Increase voltage
C
Improve efficiency
D
Reduce losses
Question 113Single Answer
Alternator efficiency is maximum at?
A
Leading
B
Zero power factor
C
Lagging
D
Unity power factor
Question 114Single Answer
The instrument used to measure AC and DC current both is?
A
Permanent magnet moving coil
B
Moving iron type
C
Dynamometer type
D
Hot wire type
Question 115Single Answer
Two-wattmeter method is used to measure power in?
A
Single-phase circuits
B
DC circuits
C
None
D
Three-phase circuits
Question 116Single Answer
A dynamometer wattmeter can measure?
A
AC only
B
Both AC and DC
C
DC only
D
None
Question 117Single Answer
A Megger is used for measuring?
A
Voltage
B
Low resistance
C
Capacitance
D
High insulation resistance
Question 118Single Answer
Potential transformers are used for?
A
Measuring high current
B
Measuring resistance
C
Measuring high voltage
D
Measuring frequency
Question 119Single Answer
Current transformer secondary should never be?
A
Loaded
B
Open-circuited
C
Short-circuited
D
Grounded
Question 120Single Answer
A CRO displays?
A
Voltage vs time
B
Current vs time
C
Power vs time
D
Resistance vs time
Question 121Single Answer
The device used for measuring energy consumption in homes is?
A
Energy meter
B
Wattmeter
C
Voltmeter
D
Megger
Question 122Single Answer
An analog multimeter can measure?
A
Voltage
B
Current
C
All of these
D
Resistance
Question 123Single Answer
Earth fault detection is performed by?
A
Differential relay
B
Overcurrent relay
C
Voltage relay
D
Earth leakage relay
Question 124Single Answer
A PN junction diode allows current in?
A
Both directions
B
No direction
C
Reverse direction only
D
Forward direction only
Question 125Single Answer
Reverse current in a diode is due to?
A
Recombination
B
Majority carriers
C
Minority carriers
D
None
Question 126Single Answer
In forward bias, the depletion region?
A
Widens
B
Narrows
C
Remains constant
D
Disappears completely
Question 127Single Answer
In a PNP transistor, current flows from?
A
Base to emitter
B
Emitter to collector
C
Collector to base
D
Collector to emitter
Question 128Single Answer
A JFET controls current by?
A
Temperature
B
Current
C
Resistance
D
Voltage
Question 129Single Answer
The input impedance of a JFET is?
A
Low
B
Zero
C
Moderate
D
Very high
Question 130Single Answer
The transistor acts as a switch when operated in?
A
Active region
B
Cutoff and saturation regions
C
Breakdown region
D
None
Question 131Single Answer
The diode used in voltage regulation is?
A
Zener diode
B
Tunnel diode
C
Varactor diode
D
PIN diode
Question 132Single Answer
The region of transistor used for amplification is?
A
Cutoff
B
Saturation
C
Active
D
Breakdown
Question 133Single Answer
The type of DC generator used for arc welding is?
A
Shunt generator
B
Series generator
C
Compound generator
D
Separately excited generator
Question 134Single Answer
The speed of a DC series motor is?
A
Constant
B
Variable
C
Independent of load
D
Zero at no-load
Question 135Single Answer
The field winding of a DC shunt motor has?
A
High resistance and many turns
B
Low resistance and few turns
C
High current
D
None
Question 136Single Answer
Which loss in a DC machine varies with the square of the load current?
A
Mechanical loss
B
Iron loss
C
Copper loss
D
Stray loss
Question 137Single Answer
The type of DC motor used in cranes and hoists is?
A
Series motor
B
Shunt motor
C
Compound motor
D
Universal motor
Question 138Single Answer
The purpose of back EMF in DC motor is to?
A
Reduce torque
B
Increase flux
C
Oppose armature current
D
None
Question 139Single Answer
The armature current in a DC generator flows in?
A
Shaft
B
Field winding
C
Commutator segments
D
Brush holders only
Question 140Single Answer
The speed of a DC motor decreases if?
A
Supply voltage increases
B
Armature current decreases
C
Field current decreases
D
Field current increases
Question 141Single Answer
The most efficient method of DC motor speed control is?
A
Armature control
B
Field control
C
Rheostatic control
D
Voltage control
Question 142Single Answer
The braking of DC motor using generated EMF is called?
A
Plugging
B
Regenerative braking
C
Dynamic braking
D
Eddy braking
Question 143Single Answer
The magnetic losses in a transformer are due to?
A
Temperature rise
B
Copper losses
C
Leakage flux
D
Hysteresis and eddy currents
Question 144Single Answer
Core loss of a transformer depends on?
A
Current only
B
Load
C
Voltage and frequency
D
Power factor
Question 145Single Answer
The efficiency of large power transformers is about?
A
60β70%
B
75β80%
C
50β60%
D
95β99%
Question 146Single Answer
All-day efficiency is defined for?
A
Power transformers
B
Isolation transformers
C
Auto-transformers
D
Distribution transformers
Question 147Single Answer
Eddy current loss in transformer core can be reduced by?
A
Increasing flux
B
Laminating the core
C
Reducing turns
D
Using solid core
Question 148Single Answer
When a transformer is on no-load, the current drawn is?
A
Purely reactive
B
Purely resistive
C
Leads voltage by 90Β°
D
Lags voltage by about 90Β°
Question 149Single Answer
The cooling in large transformers is improved by?
A
Fans and oil circulation
B
Air gaps
C
Magnetic shields
D
Iron sheets
Question 150Single Answer
The voltage regulation of a transformer at unity power factor is?