Question for Naval Dockyard Mumbai Chargeman 2026 - Quiz / Questions / MCQ

Objective Questions

Latest Naval Dockyard Mumbai Chargeman Exam Question (Objective Questions), MCQ in English

Subjects : English, Aptitude, Reasoning, General Awareness, General Science, Mechanical

Question Bank Naval Dockyard Mumbai Chargeman Exam - English

Back to Exam

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

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 6Single 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 7Single 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 8Single 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 9Single Answer

Dark clouds have overcast the evening sky.

A
By the dark clouds the evening sky was overcast.
B
The evening sky has been overcast by the dark clouds.
C
Dark clouds overcastted the evening sky.
D
The sky of the evening was overcasted by dark clouds.

Question 10Single Answer

The partners will celebrate their triumph tomorrow.

A
The triumph would be celebrated by the partners a day before
B
The triumph would be celebrated by the partners a day after
C
The triumph would have been celebrated by the partners a day after
D
The triumph will have been celebrated by the partners tomorrow

Reasoning

Question 11Single 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 12Single 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 13Single 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 14Single 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 15Single Answer

'Jackal' is related to 'Carnivorous', in the same way as 'Goat' is related to

A
Omnivorous
B
Carnivorous
C
Herbivorous
D
Multivorous
E
None of these

Aptitude

Question 16Single Answer

If A exceeds B by 40%, B is less than C by 20%, then A C is,:

A
28 : 25
B
26 : 25
C
3 : 2
D
3 : 1

Question 17Single Answer

What is the sum of 130+125+191 ?

A
335
B
456
C
446
D
426

Question 18Single Answer

, then x is equal to

Question 19Single Answer

A sum of money doubles itself at compound interest in 15 years. In how many years it will become eight times ?

A
30
B
45
C
50
D
60

Question 20Single Answer

Compound interest (compounded annually) on a certain sum of money for 2 years at 4% per annum is Rs. 102. The simple interest on the same sum for the same rate and for the same period will be

A
Rs. 99
B
Rs. 101
C
Rs. 100
D
Rs. 98

General Awareness

Question 21Single Answer

With reference to Medical College Admission, “All India Quota” scheme was introduced in which year?

A
1975
B
1980
C
1986
D
1990

Question 22Single Answer

How many Tiger reserves of India have received accreditation of the Global Conservation Assured Tiger Standards (CA|TS)?

A
5
B
3
C
11
D
14

Question 23Single Answer

AS per ICMR’s 4^th Serology Survey released in July 2021, which state has the highest Covid-19 Sero-prevalence?

A
Bihar
B
Madhya Pradesh
C
Uttar Pradesh
D
Kerala

Question 24Single Answer

Who won the Maharashtra Bhushan Awards 2021?

A
Asha Bhosle
B
Sachin Tendulkar
C
Lata Mangeshkar
D
Ratan Tata

Question 25Single Answer

Which Company collaborated with CBSE and Ministry of Education for “AI For All” initiative?

A
Intel
B
Microsoft
C
Wipro
D
Dell

Question 26Single Answer

In July 2021, NABARD sanctioned Rs 445 crore loan under its Rural Infrastructure Development Fund to support drinking water projects in which state?

A
Karnataka
B
Madhya Pradesh
C
Odisha
D
Punjab

Question 27Single Answer

Which bank partnered with LIC Cards Services to launch 2 Credit Cards – ‘Lumine’ Platinum Credit Card & ‘Eclat’ Select Credit Card?

A
IDBI Bank
B
ICICI Bank
C
Canara Bank
D
Axis Bank

Question 28Single Answer

In July 2021, NASSCOM partnered with the Department for International Trade (DIT) of _____ to address its Digital Skill Gap

A
Afghanistan
B
United Kingdom
C
Bangladesh
D
Brazil

Question 29Single Answer

Which Indian state partnered (in July’21) with Afghanistan Chamber of Commerce and Investment (ACCI) to boost trade with the country?

A
West Bengal
B
Karnataka
C
Telangana
D
Gujarat

Question 30Single Answer

As per the Banking Regulation Act – 1949, All Banks in India shall maintain a Reserve Fund/Statutory Reserve equivalent to _______ of their annual net profit.

A
5%
B
25%
C
10%
D
20%

Mechanical

Question 31Single Answer

A fin will be more effective when Bio number is

A
Greater than 1
B
Equal to 1
C
Between 1 and 3
4 4
D
Less than 1

Question 32Single Answer

A tank of length, breadth and height in the ratio of 2:1:2 is full of water. The ratio of hydrostatic force at the bottom to that at any larger vertical surface is

Question 33Single Answer

Which of the following fluids exhibit a certain shear stress at zero shear strain rate followed by a straight line relationship between shear stress and shear strain rate?

A
Newtonian fluid
B
Ideal Bingham plastic fluids
C
Pseudo-plastic fluids
D
Dilatent fluids

Question 34Single Answer

What is the specific gravity of a marble stone, which weighs 400N in air, and 200N in water? (g=10m/s²)

Question 35Single Answer

What is the intensity of pressure in the following SI units, when specific gravity of mercury is 13.6 and the intensity of pressure is 400KPa ?

A
0.3 bar or 4.077m of water or 0.29 mm of Hg
B
4 bar or 5.077m of water or 0.399 mm of Hg
C
0.3 bar or 5.077m of water or 0.599 mm of Hg
D
4 bar or 4.077m of water or 0.299 mm of Hg

Question 36Single Answer

Consider the following statements:
1.If a small upward displacement is given to a floating body, it results in the reduction of the buoyant force acting on the body
2.A slight horizontal displacement does not change either the magnitude or the location of the buoyant force
Which of the above statements is/are correct?

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

Question 37Single Answer

State whether following flow field is physically possible?

A
Possible for steady, incompressible flow
B
Possible for unsteady, incompressible flow
C
Possible for steady, compressible flow
D
Not Possible

Question 38Single Answer

In a differential manometer, a head of 0.5 m of fluid A in limb 1 is found to balance a head of 0.3 m of fluid B in limb 2. The atmospheric pressure is 760 mm of mercury. The ratio of specific gravities of A to B is

A
0.25
B
0.26
C
2
D
4

Question 39Single Answer

A Reversed Carnot Engine removes 50 kW from a heat sink. The temperature of the heat sink is 250 K and the temperature of the heat reservoir is 300 K. The power required of the engine is

A
10 kW
B
20 kW
C
30 kW
D
50 kW

Question 40Single Answer

On which of the following just in time manufacturing philosophy emphasizes ?

A
man power
B
profit
C
inventory
D
manufacturing

Question 41Single Answer

In a stream line steady flow, two points A and B on a stream line are 1m apart and the flow velocity varies uniformly from 2m/s to 5m/s. What is the acceleration of fluid at B?

A
3 m/s²
B
6 m/s²
C
9 m/s²
D
15 m/s²

Question 42Single Answer

The stream function is given by Ψ = 3xy, then the velocity at the point (2,3) is

A
9
B
-6
C
117
D
10.8

Question 43Single Answer

The boundary layer thickness at a given distance from the leading edge of a flat plate is

A
More for lighter fluid
B
More for denser fluid
C
Less for denser fluid
D
Less for lighter fluid

Question 44Single Answer

In a laminar flow through a circular pipe, the discharge varies

A
Linearly with fluid density
B
Inversely with pressure drop
C
Directly as square of pipe radius
D
Inversely with fluid velocity

Question 45Single Answer

A fluid is flowing over a flat plate. At distance of 8 cm from the leading edge, the Reynolds number is found to be 25600. The thickness of the boundary layer at this point is

A
1.5mm
B
2.5mm
C
4.0mm
D
5.0mm

Question 46Single Answer

Air is flowing over a flat plate with a free stream velocity of 24 m/s, and its kinematic viscosity is 72 ×10^-6m²/s. If at a particular point, the Reynolds number is 30000, its location from the leading edge is

A
0.05m
B
0.07m
C
0.08m
D
0.09m

Question 47Single Answer

In a refrigerator, the evaporator and condenser coil temperatures are –33°C and 27°C, respectively. Assuming that the maximum COP is realized, the required power input for a refrigerating effect of 4 kW is

A
8 kW
B
4 kW
C
2 kW
D
1 kW

Question 48Single Answer

In a hydraulic coupling

A
The magnitudes of input and output torques are equal
B
The magnitudes of input torque is greater than output torque
C
The magnitudes of input torque is less than output torque
D
The magnitudes of input torque is negligible as compared to output torque

Question 49Single Answer

Consider the following statements:
1.The wheel can be operated freely in air
2.Pressure at the exit of the nozzle is atmospheric
3.Pressure does not vary along the moving vanes
4.Change the direction of momentum imparts thrust over moving vanes Which of the following statements are applied to impulse turbine?

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

Question 50Single Answer

A water jet 0.0015m²in area issues from a nozzle with 15 m/s velocity. It is made to impinge perpendicular on to a plate that moves away from the jet with a velocity of 5 m/s. The force on the plate due to this impact is

A
150 N
B
1470 N
C
340 N
D
900 N

Important Questions Package

Naval Dockyard Mumbai Chargeman Exam Online Question Bank Package

Buy Naval Dockyard Mumbai Chargeman Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in Naval Dockyard Mumbai Chargeman question bank 2026 in Online, PDF & Print study material.

+ Free Monthly Current Affairs, GK & more PDF Download

Sr.	Package Name	Amount
1.	Naval Dockyard Mumbai Chargeman Exam - English Description : 2000 Question with Answer	₹181 ~~[₹500]~~
2.	Naval Dockyard Mumbai Chargeman Exam - Hindi Description : 2000 Question with Answer	₹181 ~~[₹500]~~
3.	Naval Dockyard Mumbai Chargeman Exam Question Bank Book - English Description : 1oo0 Question with Answer (Printed Material)	₹390 ~~[₹600]~~
4.	Naval Dockyard Mumbai Chargeman Exam Question Bank Book - Hindi Description : 1oo0 Question with Answer (Printed Material)	₹450 ~~[₹800]~~

General Science

Question 51Single 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 52Single Answer

A direct current I flows along the length of an infinitely long straight thin walled pipe, then the magnetic field is

A
uniform throughout the pipe not zero
B
zero only along the axis of the pipe
C
zero at any point inside the pipe
D
maximum at the centre and minimum at the edge

Question 53Single Answer

convex lens made of glass has focal length 0.15m in air. If the refractive index of glass is 3/2, and that of water is 4/3 the focal length of lens when immersed in water is

A
0.45 m
B
0.15 m
C
0.30 m
D
0.6 m

Question 54Single Answer

Two sources are said to be coherent if they produce waves

A
having a constant phase difference
B
of equal wavelength
C
of equal speed
D
having same shape of wavefront

Question 55Single Answer

Three resistors 1 Ω, 2 Ω, 3Ω resistor a 3 V battery is connected. The current through 3 Ω resistor is -

A
0.75 A
B
1 A
C
2 A
D
1.5 A

Question 56Single Answer

In a common emitter amplifier the input signal is applied across

A
anywhere
B
emitter-collector
C
collector-base
D
base-emitter

Question 57Single Answer

Adding detergents to water helps in removing dirty greasy stains. This is because
1. It increases greasy stains. This is because
2. It decreases the oil-water surface tension
3. It increases the viscosity of the solution
4. Dirt is held suspended surrounded by detergent molecules

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

Question 58Single Answer

Choose the correct statement (a) for a cricket ball that is spinning clockwise through air
S1 : Statemlines of air are symmetric around the ball.
S2 : The velocity of air above the ball relative to it is larger than that below the ball.
S3 : The velocity of air above the ball relative to it is smaller than that below the ball.
S4 : There is a net upward force on the ball.

A
S1,S2 and S4
B
S2 and S4
C
S4 only
D
S3 only

Question 59Single Answer

Ferromagnetic materials used in a transformer must have

A
low permeability and high hysterisis loss
B
high permeability and low hysterisis loss
C
high permeability and high hysterisis loss
D
low permeability and low hysterisis loss

Question 60Single Answer

According to Newton’s corpuscular theory, the speed of light is

A
same in all the medium
B
lesser in rarer medium
C
lesser in denser medium
D
independent of the medium

Question 61Single Answer

For the constructive interference the path difference between the two interfering waves must be equal to

A
(2𝜋 + 1)λ
B
2n𝜋
C
nλ
D
n

Question 62Single Answer

The accurate measurement of emf can be obtained using

A
multimeter
B
voltmeter
C
voltameter
D
potentiometer

Question 63Single Answer

A person, with outstretched arms, is spinning on a rotating stool. He suddenly brings his arms down to his sides. Which the following is true about his kinetic energy K and angular momentum L?

A
Both K and L increase
B
Both K and L remain unchanged
C
K remains constant, L increases
D
K increases but L remains constant

Question 64Single Answer

Which of the following is not a thermodynamic coordinate?

A
Gas constant (R)
B
Pressure (p)
C
Volume (V)
D
Temperature (T)

Question 65Single Answer

An antenna uses electromagnetic waves of frequency 5 MHz . For proper working, the size of the antenna should be

A
300 m
B
3 km
C
15 m
D
15 km

Question 66Single Answer

The amount of energy released when one microgram of matter is annihilated is

A
25 kWh
B
9 x 10¹⁰ kWh
C
3 x 10¹⁰ kWh
D
0.5 x 10⁵ kWh

Question 67Single Answer

The number of significant figures in the numbers 4.8000 x 10⁴ 48000.50 are respectively

A
5 and 6
B
5 and 7
C
2 and 7
D
2 and 6

Question 68Single Answer

β-decay means emission of electron from

A
innermost electron orbit
B
a stable nucleus
C
outermost electron orbit
D
radioactive nucleus

Question 69Single Answer

An electric heater rated 220 V and 550 W is connected to AC mains. The current drawn by it is

A
0.8 A
B
2.5 A
C
0.4 A
D
1.25 A

Question 70Single Answer

A string is wound round the rim of a mounted flywheel of mass 20 kg and radius 20 cm. A steady pull of 25 N is applied on the cord. Neglecting friction and mass of the string, the angular acceleration of the wheel is

A
50 s^-2
B
25 s^-2
C
12.5 s^-2
D
6.25 s^-2

Question 71Single 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 72Single Answer

In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is

A
1.93 A
B
9.65 A
C
19.3 A
D
0.965 A

Question 73Single Answer

The one which decreases with dilution is

A
molar conductance
B
conductance
C
specific conductance
D
equivalent conductance

Question 74Single Answer

Vapour pressure of pure ‘A’ is 70 mm of Hg at 25^oC. It forms an ideal solution with ‘B’ in which mole fraction of A is 0.8. if the vapour pressure of the solution is 84 mm of Hg at 25^oC, the vapour pressure of pure ‘B’ at 25^oC is

A
28 mm
B
56 mm
C
70 mm
D
140 mm

Question 75Single Answer

A 6% solution of urea is isotonic with

A
1 M solution of glucose
B
0.05 M solution of glucose
C
6% solution of glucose
D
25% solution of glucose

Question 76Single Answer

In countries nearer to polar region, the roads are sprinkled with CaCl₂. This is

A
to minimise the wear and tear of the roads
B
to minimise the snow fall
C
to minimise pollution
D
to minimise the accumulation of dust on the road

Question 77Single Answer

A compound of ‘A’ and ‘B’ crystallises in a cubic lattice in which ‘A’ atoms occupy the lattice points at the corners of the cube. The ‘B’ atoms occupy the centre of each face of the cube. The probable empirical formula of the compound is

A
AB₂
B
A₂B
C
AB
D
AB₃

Question 78Single Answer

In electrophilic aromatic substitution reaction, the nitro group is meta directing because it

A
decreases electron density at ortho and para positions
B
decreases electron density at meta position
C
increases electron density at meta position
D
increases electron density at ortho and para position

Question 79Single Answer

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

A
PCI₅
B
PCI₃
C
SOCl₂ in presence of pyridine
D
dry HCl in the presence of anhydrous ZnCl₂

Question 80Single Answer

The carbon bond length in benzene is

A
in between C₂H₆ and C₂H₄
B
same as in C₂H₄
C
in between C₂H₆ and C₂H₂
D
in between C₂H₄ and C₂H₂

Question 81Single Answer

The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is

A
methanal
B
propanal
C
propanone
D
ethanal

Question 82Single Answer

An organic compound x is oxidised by using acidified K₂Cr₂O₇. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The possible structured of X is

A
CH₃CH₂OH
B
CH₃ – C – CH₃
C
(CH₃)₂CHOH
D
CH₃CHO

Question 83Single Answer

Arrange the following in the increasing of their. Basic strengths CH₃NH₂, (CH₃)₂NH, (CH₃)₂N, NH₃

A
NH₃, < (CH₃)₃N < (CH₃)₂NH < CH₃NH₂
B
NH₃ < (CH₃)₃N < CH₃NH₂ < (CH₃)₂NH
C
(CH₃)₃N < NH₃ < CH₃NH₂ < (CH₃)₂NH
D
CH₃NH₂ < (CH₃)₂NH < (CH₃)₃N , NH₃

Question 84Single Answer

The one which has least iodine value is

A
sunflower oil
B
ginger oil
C
ghee
D
groundnut oil

Question 85Single Answer

A diabetic person carries a packet of glucose with him always, because

A
glucose reduces the blood sugar level slowly
B
glucose increases the blood sugar level slowly
C
glucose reduces the blood sugar level
D
glucose increases the blood sugar level almost instantaneously

Question 86Single 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 87Single Answer

Which of the following is not a green - house gas ?

A
Water vapour
B
Carbon monoxide
C
Methane
D
Oxygen

Question 88Single Answer

Both husband and wife have normal vision though their fathers were colorblind and mothers did not have any gene for colorblindness. The probability of their daughters becoming colorblind is

A
50%
B
75%
C
0%
D
25%

Question 89Single Answer

An animal, which has both exoskeleton and endoskeleton structures is a

A
fresh-water mussel
B
tortoise
C
frog
D
jelly fish

Question 90Single Answer

Identify the group, which includes animals all of which give birth to young ones directly?

A
Dolphin, kangaroo, bat, cat
B
Platypus, penguin, bat, hippopotamus
C
shrew, bat, kiwi, car
D
Lion, whale, ostrich, bat

Question 91Single Answer

Compare the statement A and B.
Statement A Blood sugar level falls rapidly after hepatectomy.
Statement B The glycogen of the liver is the principal source of blood sugar.
Select the correct description.

A
Both the statements A and B are correct and B is the reason for A
B
Statement A is correct and B is wrong
C
Statement A is wrong and B is correct
D
Both the statements A and B are correct and B is not the reason for A

Question 92Single Answer

What is/are true about heart wood?
(A) It does not help in water conduction.
(B) It is also called laburnum.
(C) It is dark in colour but very soft.
(D) It has tracheary elements which are filled with tannin, resin, etc.

A
B,C and D
B
A and D
C
B and D
D
A, B and C

Question 93Single Answer

Compare the statements A and B.
Statement A Auxins promote apical dominance by suppressing the activity of lateral buds.
Statement B In moriculature, periodic pruning of shoot tips is done to make mulberry plants bushy.
Select the correct description.

A
Both the statements A and B are correct and A is the reason for B
B
Statement A is correct and B is wrong
C
Statement A is wrong and B is correct
D
Both the statements A and B are correct and A is not the reason for B

Question 94Single Answer

Bryophytes resemble algae is the following aspects

A
Filamentous body, presence of vascular tissues and autotrophic nutrition
B
Differentiation of plant body into root, stem and leaves and autotrophic nutrition
C
Thallus like plant body, presence of roots and autotrophic nutrition
D
Thallus like plant body, lack of vascular tissues and autotrophic nutrition

Question 95Single Answer

Stoma opens, when

A
guard cells swell due to an increase in their water potential
B
guard cells swell by endosmosis duie to influx of hydrogen ions (protons)
C
guard cells swell by endosmosis due to efflux of potassium ions
D
guard cell swell due to a decrease in their water potential

Question 96Single Answer

Which of the following is properly matched ?

A
Platyhelminthes –Trematoda – Planoria
B
Echinodermate – Asteroidea – Star fish
C
arthropoda – Insecta – Spider
D
Mollusca – Cephalopoda – Unio

Question 97Single Answer

A man is admitted to a hospital. He is suffering from an abnormally low body temperature, loss of appetite and extreme thirst. His brain scan would probably show a tumour in

A
medulla oblongata
B
pons
C
cerebellum
D
hypothalamus

Question 98Single Answer

The agents, which are known to cause CJD are

A
protein particles
B
a class of bacteria
C
a class of viruses
D
fungi

Question 99Single Answer

In crop improvement programmers, virus-free clones can be obtained through

A
grafting
B
hybridization
C
embryo culture
D
shoot apex culture

Question 100Single Answer

A person is suffering from frequent episodes of nasal discharge, nasal congestion, reddening of eyes and watery eyes. These are the symptoms of

A
cyanosis
B
bronchitis
C
rhinitis
D
bronchial carcinoma