Mechanical Engineering : Civil and Mechanical Engineering MCQ Practice Questions & Answers (Sanskrit) - Page 2

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21.

Which of the following is a unit of Electric current

A

Ampere

B

Volt

C

Meter

D

kilogram

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22.

Which Of the following is a not power transmission element?

A

Belt

B

Rope

C

Chain

D

Brake

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23.

Which of the following instrument is used to measure temperature?

A

Manometer

B

Rotameter

C

Thermocouple

D

Pilot tube

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24.

Which of the following instrument is used to measure temperature

A

Vernier calliper

B

Manometer

C

Thermometer

D

none of the above

Civil And Mechanical EngineeringEasyMechanical Engineering

25.

Which of the following instrument is used to measure length

A

Vernier calliper

B

Manometer

C

Thermometer

D

none of the above

Civil And Mechanical EngineeringEasyMechanical Engineering

26.

Which of the following instrument is used for measure speed / velocity?

A

Tachometer

B

Pitot Tube

C

Anemometer

D

All Of Above

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27.

Which of the following instrument is used for drawing curved lines

A

T- Square

B

French curves

C

Protractor

D

Compass

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28.

Which of the following energy is converted into electricity in a Hydo power plant

A

Nuclear energy

B

Potential Energy of water

C

Thermal Energy

D

all of the above

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29.

Which are of the following is not a rotary pump?

A

Gear pump

B

Vane pump

C

Screw pump

D

Axial pump

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30.

Which application is not perform by Vernier caliper?

A

Measuring diameter

B

Measuring height

C

Measuring depth

D

None of above

Civil And Mechanical EngineeringEasyMechanical Engineering

31.

When the driving and driven shafts are at comparatively larger distance apart, the type Of drive suitably used is

A

Gear Drive

B

Belt Drive

C

Friction Drive

D

Chain Drive

Civil And Mechanical EngineeringEasyMechanical Engineering

32.

When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as

A

internally fired boiler

B

natural circulation boiler

C

externally fired boiler

D

forced circulation boiler

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33.

When the axes of two shafts are parallel, use

A

Crossed helical gears

B

Bevel

C

Worm gears

D

Spur or helical gears

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34.

When driving and driven shafts are at comparatively short distance apart & higher efficiency required, the type of drive suitable is :

A

Gear drive

B

Belt drive

C

friction drive

D

chain drive

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35.

What is the unit of luminous intensity is SI unit system?

A

Angstrom

B

Carat

C

Mol

D

Candela

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36.

Water gas is

A

Mixture of hydrogen and carbon monoxide

B

It mainly consist of $CH_4$

C

Used in heating ovens

D

None from above

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37.

The unit Nm/s is called

A

Joule(J)

B

Calorie(C)

C

Watt(W)

D

None of this

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38.

The unit for pressure in S.I. units is

A

Kg/cm

B

I b/in2

C

Pascal

D

None of this

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39.

The thickness Of gear tooth is measured

A

Along the pitch circle

B

Along the base circle

C

Along the addendum circle

D

Along the root circle

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40.

The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

A

work done

B

entropy

C

enthalpy

D

none of these

Mechanical Engineering in Civil and Mechanical Engineering : Practice MCQ Questions & Answers with Explanations