Question for CPCL Junior Engineering Assistant 2026 - Quiz / Questions / MCQ

Objective Questions

Latest CPCL JEA Exam Question (Objective Questions), MCQ in English

Subjects : General Knowledge, Verbal Ability, Reasoning/Logical Deduction, Numerical Ability, Electrical

Question Bank CPCL Junior Engineering Assistant (Electrical) Exam - English

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General Knowledge

Question 1Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 2Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
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 ruby laser, the stimulated emission is due to transition from

A
metastable state to any lower state
B
any higher state of lower state
C
metastable state to ground state
D
any higher state to ground state

Question 5Single Answer

10^-6 M NaOH is diluted 100 times. The pH of the diluted base is

A
between 7 and 8
B
between 5 and 6
C
between 6 and 7
D
between 10 and 11

Question 6Single Answer

The respiratory quotient during cellular respiration would depend on

A
the nature of enzymes involved
B
the nature of the substrate
C
the amount of carbon dioxide released
D
the amount of oxygen utilised

Question 7Single Answer

Sattriya dance form is famous in which of these states ?

A
Assam
B
Himachal Pradesh
C
Punjab
D
Tamil Nadu

Question 8Single Answer

Which of the following statements is true ?
Statement I: Indian techniques such as Rasa and Bhawa in classical dances have their origins in Bharatmuni's Natyashastra.
Statement II: Bharatanatyam has its origin in Odisha.

A
Only Statement II is true
B
Both Statement I and Statement II are true
C
Neither Statement I nor Statement II is true
D
Only Statement I is true

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

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 11Single 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 12Single 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 13Single 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 14Single 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 15Single 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

Verbal Ability

Question 16Single Answer

I go to Madurai by —– Vaigai Express

A
a
B
an
C
some
D
the

Question 17Single 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 18Single 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 19Single 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 20Single 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.

Question 21Single 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 22Single 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 23Single Answer

Passage :

Direction : 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 ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.

A
presented , stay
B
introduced , keep
C
announce , make
D
created , let
E
proclaimed , hold

Question 24Single 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 25Single Answer

Passage :

Direction : 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
Affirmation
B
Slander
C
Oath
D
Testimony

Question 26Single Answer

Passage :

Direction: 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
Cavernous
D
Solid

Question 27Single 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

Cosset

A
Ignoreb
B
Close
C
Caress
D
Fondle

Question 28Single 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 29Single 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 30Single Answer

Passage :

Direction : 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

Reasoning/Logical Deduction

Question 31Single Answer

Passage :

Direction: Study the given information carefully and answer the given question
P, Q, R, S, T, V, X and Y are seated in a straight line facing North. P sits fourth to the left of V. V sits either sixth from the left end of the line or fourth from the right end of the line. S sits second to the right of R. R is not an immediate neighbor of V. T and Q are immediate neighbours of each other but neither T not Q sits at extreme ends of the line. Only one person sits between T and X. X does not sit at the extreme end of the line

According to the passage, what is the main purpose of data protection laws ?

A
To ensure that foreign countries invest in research for drugs to treat diseases like TB
B
To attract Indian scientists back to the country
C
To prevent misuse of research to make profit by competing companies
D
To make clinical trials more acceptable to the public
E
None of these

Question 32Single Answer

‘Gram’ is relatd to ‘Mass’ in the same way as ‘Centimetre’ is related to

A
Area
B
Volume
C
Length
D
Sound
E
Energy

Question 33Single Answer

'Mustard' is related to 'Seed' in the same way as 'Carrot' is related to

A
Fruit
B
Stem
C
Flower
D
Root
E
None of these

Question 34Single Answer

Which of the following pairs of words have the same relationship as Fan : Heat?

A
Water : Drink
B
Light : Night
C
Teach : Student
D
Air : Breathe
E
Food : Hunger

Question 35Single Answer

'Radish' is related to 'Root', in the same way as 'Brinjal' is related to

A
Fruit
B
Stem
C
Flower
D
Root
E
None of these

Question 36Single Answer

Passage :

Direction : the sets of numbers in the four alternatives given below, which is the most similar to the given set.

Given Set : (6, 15, 28)

A
(50,59,71)
B
(46, 56, 66)
C
(60, 69, 72)
D
(60, 69, 82)
E
None of these

Question 37Single Answer

Passage :

Direction : the sets of numbers in the four alternatives given below, which is the most similar to the given set.

Given Set : (81, 77, 69)

A
(56, 52, 44)
B
(64, 61, 53)
C
(92, 88, 79)
D
(75, 71, 60)
E
None of these

Question 38Single Answer

Passage :

Direction : The questions consists of a pair of words. Establish the relationship among the given pair and identify the pair that best illustrates a similar relationship from amongst the alternatives

Kick : Football

A
Mop : Sweep
B
Dust : Rage
C
Wash : Dishes
D
Throw : Ring
E
None of these

Question 39Single Answer

Passage :

Rectangle : Pentagon

A
Triangle : Rectangle
B
Diagonal : Perimeter
C
Side : Angle
D
Circle : Square
E
None of the above

Question 40Single Answer

Passage :

Inherit : Acquire

A
Instinct : Habbit
B
Learn : Discover
C
Loss : Gain
D
Hierarchical : Succession
E
None of the above

Numerical Ability

Question 41Single 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 42Single Answer

Which of the following numbers is irrational ?

A
√49
B
0.125
C
√2
D
22/7

Question 43Single Answer

356 x 936 – 356 x 836 = ?

A
35600
B
34500
C
9630
D
93600

Question 44Single 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 45Single Answer

What is (3^{^}{4} times 9^{^}{2}) ?

A
3⁶
B
3⁸
C
3¹⁰
D
9⁶

Question 46Single Answer

If 3⁴X^-2 = 729, then find the value of X.

Question 47Single Answer

Convert 0.6 into fraction ?

A
3/5
B
2/3
C
4/5

Question 48Single 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
169
B
36
C
196
D
Can not say

Question 49Single Answer

If a and b are positive integers, such that ab = 125, then (a-b)^a+b-4= ?

A
16
B
25
C
28
D
30

Question 50Single Answer

If x^*y = x² + y² – xy, then value of 9^*11 is

A
93
B
103
C
60.5
D
121

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7.	CPCL Junior Engineering Assistant (Electrical) Exam - English Description : 2000 Question with Answer.	₹151 ~~[₹500]~~
8.	CPCL Junior Engineering Assistant (Electrical) Exam - English Description : 3000 Question with Answer.	₹181 ~~[₹500]~~
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Electrical

Question 51Single Answer

When a very small amount of higher conducting metal is added to a conductor, its conductivity will

A
increase
B
decrease
C
remain the same
D
increase or decrease depending on the impurity

Question 52Single 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 semiconductor
D
a superconductor

Question 53Single Answer

The temperature coefficient of resistance of a doped semiconductor is

A
always positive
B
always negative
C
zero
D
positive or negative depending upon the level of doping

Question 54Single 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 dioxide
D
only on diffusion process is used

Question 55Single 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
1 and 2 only
B
1 and 3 only
C
1, 2 and 3
D
2 and 3

Question 56Single Answer

A Zener regulator has an input voltage varying between 20 V and 30 V. The desired regulated voltage is 12 V, while the load varies between 140

and 10k The maximum resistance in series with the unregulated source and Zener diode would be

A
3.3
B
6.6
C
36.6
D
93.3

Question 57Single Answer

A short in any type of circuit (series, parallel or combination) causes the total circuit
1. resistance to decrease
2. power to decreases
3. current to increase
Which of the above are correct?

A
2 and 3
B
2 and 4
C
1 and 4
D
1 and 3

Question 58Single Answer

An air-cored solenoid of 250 turns has a cross-sectional area A = 80 cm² and length l = 100 cm. The value of its inductance is

A
0.425 mH
B
0.628 mH
C
0.751 mH
D
0.904 mH

Question 59Single Answer

The current in a coil changes uniformly from 10 A to 1 A in half a second. A voltmeter connected across the coil gives a reading of 36 V. The self-inductance of the coil is

A
0.5 H
B
1 H
C
2 H
D
4 H

Question 60Single Answer

In a mutually coupled circuit, the primary current is reduced from 4A to zero in 10 s. A voltage of 40000 V is observed across the secondary. The mutual inductance between the coils is

A
100 H
B
10 H
C
0.1 H
D
0.01 H

Question 61Single 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, respectively
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, respectively

Question 62Single Answer

Which of the following circuits is used for converting a sine wave into a square wave?

A
Monostablemultivibrator
B
Bistablemultivibrator
C
Schmitt trigger circuit
D
Darlington complementary pair

Question 63Single Answer

Which of the following elements of electrical engineering cannot be analyzed using Ohm’s law ?

A
Capacitors
B
Inductors
C
Transistors
D
Resistance

Question 64Single 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
1 and 2 only
B
1 and 3 only
C
2 and 3 only
D
1, 2 and 3

Question 65Single 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 dB
B
82 dB
C
91 dB
D
102 dB

Question 66Single Answer

A clamper circuit
1. Adds or subtracts a dc voltage to or from a waveform
2. Does not change the shape of the waveform
Which of the above statements are correct?

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2

Question 67Single Answer

If a carrier of 100% modulated AM is suppressed before transmission, the power saving is nearly

A
50%
B
67%
C
100%
D
125%

Question 68Single Answer

When the modulating frequency is doubled the modulation index is halved and the modulating voltage remains constant. This happens when the modulating system is

A
AM
B
PM
C
FM
D
Delta Modulation

Question 69Single Answer

The four basic elements in a PLL are loop filter, loop amplifier, VCO and

A
Up converter
B
Down converter
C
Phase detector
D
Frequency multiplier

Question 70Single Answer

In a frequency modulated (FM) system, when the audio frequency is 500 Hz and audio frequency voltage is 2.4 V, the frequency deviation is 4.8 kHz. If the audio frequency voltage is now increased to 7.2 V then what is the new value of deviation?

A
0.6 kHz
B
3.6 kHz
C
12.4 kHz
D
14.4 kHz

Question 71Single Answer

If a square matrix of order 100 has exactly 15 distinct eigenvalues, then the degree of the minimum polynomial is

A
At least 15
B
At most 15
C
Always 15
D
Exactly 100

Question 72Single Answer

For high speed reading and storing of information in a computer, the core shall be of

A
Ferrite
B
Piezoelectric
C
Pyroelectric
D
Ferromagnetic above 768°C

Question 73Single Answer

Soft magnetic materials should have

A
Large saturation magnetization and large permeability
B
Low saturation magnetization and large permeability
C
Large saturation magnetization and low permeability
D
Low saturation magnetization and low permeability

Question 74Single Answer

Orbital magnetic moment of an electron, in an atom, is of the order of

A
0.1 Bohr magneton
B
1.0 Bohr magneton
C
10 Bohr magneton
D
100 Bohr magneton

Question 75Single Answer

When the temperature of a ferromagnetic material exceeds the Curie temperature, it behaves similar to a

A
Diamagnetic material
B
Ferrimagnetic material
C
Paramagnetic material
D
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 Ω
B
1.4 Ω
C
2 Ω
D
2.8 Ω

Question 77Single Answer

For the intrinsic gallium-arsenide, the conductivity at room temperature 25°C 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 × 10¹² m^-3
B
7.0 × 10^-12 m^-3
C
7.0 × 10^-12 m³
D
7.0 × 10¹² m³

Question 78Single Answer

The resistivity of intrinsic germanium at 30°C is 0.46 –m. What is the intrinsic carrier density at 30°C if the electron mobility is 0.38 m²/V-s and the hole mobility is 0.18 m²/V-s?

A
9.2 × 10⁵/m³
B
2.77 × 10³/m³
C
2.43 × 10¹⁹/m³
D
8.9 × 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

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 82Single 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 83Single 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 84Single 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 85Single 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 86Single 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 87Single 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 88Single 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 89Single 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 90Single 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 91Single 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 92Single 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 93Single 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 94Single 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 95Single 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 96Single 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 97Single 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 98Single 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 99Single 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 100Single 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 101Single 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 102Single 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 103Single 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 104Single 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 105Single 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 106Single 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 107Single 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 108Single 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 109Single 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 110Single 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 111Single 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 112Single 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 113Single 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 114Single 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 115Single 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 116Single 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 117Single 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 118Single 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 119Single 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 120Single Answer

Skin effect is

A
proportional to frequency
B
proportional to square of frequency
C
inversely proportional to frequency
D
independent of frequency

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