Question for Indian Coast Guard Assistant Commandant Electrical 2026 - Quiz / Questions / MCQ

Objective Questions

Latest Indian Coast Guard Assistant Commandant Electrical Exam Question (Objective Questions), MCQ in English

Subjects : English, Reasoning and Numerical Ability, General Science and Mathematical Aptitude, General Knowledge, Electrical

Question Bank Indian Coast Guard Assistant Commandant (Electrical) Exam Section 2 - English

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English

Question 1Single Answer

I go to Madurai by —– Vaigai Express

A
a
B
an
C
some
D
the

Question 2Single 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 3Single 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 4Single 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 5Single 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 6Single 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 7Single 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 8Single 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 9Single 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 10Single 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

Reasoning and Numerical Ability

Question 11Single 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 12Single 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 13Single 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 ?

Question 14Single 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 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 15Single 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 16Single 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 17Single Answer

Which of the following numbers is irrational ?

A
√49
B
0.125
C
√2
D
22/7

Question 18Single Answer

356 x 936 – 356 x 836 = ?

A
35600
B
34500
C
9630
D
93600

Question 19Single 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 20Single Answer

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

A
3⁶
B
3⁸
C
3¹⁰
D
9⁶

General Science and Mathematical Aptitude

Question 21Single Answer

The elements of the set {x : x is an integer, x² : 4} can be represent as .....Z..... . Here, Z refers to

A
{–2, 2}
B
{–1, 0, 1}
C
{–2, –1, 0, 1, 2}
D
{0, 1, 2}

Question 22Single Answer

A
B
C
D
None of these

Question 23Single Answer

If Y = {x : x is a positive factor of the number 2p – 1(2p – 1), where 2p – 1 is a prime number}, then Y can be represent in roster form as

A
{2}
B
{1, 2}
C
{1, 2, 22, ....., 2p – 1}
D
{1, 2, 22, 23,.... 2p – 1, (2p – 1)}

Question 24Single Answer

The set {x : x is a positive integer less than 6 and 3x – 1 is an even number} in roster form is

A
{1, 2, 3, 4, 5}
B
{1, 2, 3, 4, 5, 6}
C
{2, 4, 6}
D
{1, 3, 5}

Question 25Single Answer

If A

B and A

B, then

A
A is called a proper subset of B
B
A is called a super set of B
C
A is not a subset of B
D
B is a subset of A

Question 26Single 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 27Single Answer

Electron volt is a unit of

A
potential difference
B
charge
C
energy
D
capacity

Question 28Single Answer

Which of the following is not a synthetic fibre:

A
Anygora
B
Rayon
C
Nylon
D
Polyster

Question 29Single Answer

Which of the following contain enzymes for cellular respiration ?

A
Dictyosomes
B
Endoplasmic reticulum
C
lysosomes
D
Mitochondria

Question 30Single Answer

A and B move clockwise around a circle. starting from a common point O. A takes 9 minutes to complete a round but re-starts after a delay of 1 minute. B takes 13 minutes to complete the round but restarts after a delay of 2 minutes. How many minutes after they began would they meet again at O ?

A
30
B
29
C
31
D
28

General Knowledge

Question 31Single Answer

Yojna a weekly journal

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

Question 32Single 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 33Single 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 34Single Answer

In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
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 35Single 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 36Single 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 37Single 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 38Single Answer

Which organization is responsible for India's space exploration programs?

A
BARC
B
ISRO
C
DRDO
D
HAL

Question 39Single 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 40Single 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 41Single 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 42Single 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 43Single 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 44Single 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 45Single 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 46Single 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 47Single 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 48Single 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 49Single 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 50Single 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

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Electrical

Question 51Single 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 52Single 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 53Single 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 54Single 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 55Single 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 56Single 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 57Single 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 58Single 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 59Single 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 60Single 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 61Single 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 62Single 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 63Single 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 64Single 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 65Single 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 66Single 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 768°C

Question 67Single 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 68Single Answer

Which effect is the converse of Peltier effect ?

A
Seeback effect
B
Thomson effect
C
Hall effect
D
Joule effect

Question 69Single 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 70Single 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.
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 71Single Answer

At temperature of 298 Kelvin, Silicon is not suitable for most-electronic applications, due to small amount of conductivity. This can be altered by

A
Gettering
B
Doping
C
Squeezing
D
Sintering

Question 72Single Answer

By doping Germanium with Gallium, the types of semi-conductors formed are
1. N type
2. P type
3. Intrinsic
4. Extrinsic

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

Question 73Single Answer

An n-type of silicon can be formed by adding impurity of:
1. Phosphorous
2. Arsenic
3. Boron
4. Aluminum
Which of the above are correct ?

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

Question 74Single Answer

According to Einstein’s relationship for a semiconductor, the ratio of diffusion constant to the mobility of the charge carriers is

A
Variable and is twice the volt equivalent of the temperature
B
Constant and is equal to the volt equivalent of the temperature
C
Equal to two and is twice the volt equivalent of the temperature
D
Equal to one and is equal to the volt equivalent of the temperature

Question 75Single Answer

Swept-out voltage in PIN diode happens when PIN diode is

A
Forward biased and the thickness of the depletion layer decreases till I-region becomes free of mobile carriers
B
Reverse biased and the thickness of the depletion layer increases till I-region becomes free of mobile carriers
C
Forward biased and the thickness of the depletion layer increases till I-region becomes free of mobile carriers
D
Reverse biased and the thickness of the depletion layer decreases till I-region becomes free of mobile carriers

Question 76Single Answer

The number of holes in an N-type silicon with intrinsic value 1.5 × 10¹⁰/cm³ and doping concentration of 10¹⁷/cm³, by using mass-action law is

A
6.67 × 10⁶/cc
B
4.44 × 10^-25/cc
C
1.5× 10^-24/cc
D
2.25 × 10³/cc

Question 77Single Answer

A tunnel-diode is best suited for

A
Very low frequencies
B
50 Hz
C
100 Hz
D
Microwave frequencies

Question 78Single Answer

Small recovery time of a diode is most significant for

A
Line-frequency rectification
B
Switching operations
C
High-frequency rectifications and switching operations
D
Low-frequency rectifications and switching operations

Question 79Single Answer

In JFET, when operated above the pinch-off voltage, the

A
Depletion region becomes smaller
B
Drain current starts decreasing
C
Drain current remains practically constant
D
Drain current increases steeply

Question 80Single Answer

Thermal runaway is not possible in FET because, as the temperature of FET increases

A
The drain current increases
B
The mobility of charge carriers decreases
C
The mobility of charge carriers increases
D
The transconductance increases

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

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Latest Indian Coast Guard Assistant Commandant Electrical Exam Question (Objective Questions), MCQ in English

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Reasoning and Numerical Ability

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Electrical

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