Question # 1

The number of spark plug needed in diesel engine is

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0

2

3

4

The kinetic energy of molecules of an ideal gas at absolute zero is

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Very low

Very high

Zero

First increases then decreases

the work done in isochoric process is.

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Constant

Variable

Zero

Depend upon condition

The unit o pressure of gas is

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Nm^-2

Pascal

Atmosphere

All of these

The Carnot cycle can be shown by which graph

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P - T graph

P - V Graph

V- T graph

PV -T graph

The efficiency of diesel engine is about

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25 % to 30%

35% to 40%

40% to 50%

50% to 60%

Mercury is used as a thermometric substance because

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It is opaque

Does not stick to glass

Has low specific heat

All of these

According to first law of thermodynamics the quantity which is conserved.

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Force

Momentum

Energy

Power

Environmental crisis are also known as

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Population crisis

Entropy crisis

War crisis

Mass crisis

Which remains constant in an adiabatic process.

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Volume

Pressure

entropy

temperature

For a diatomic gas Cv= 5R/2 then gamma for this gas is.

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5/7

4/35

7/5

35/4

Pascal is the unit of

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Pressure

Force

Tension

Weight

Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be

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3/4

9/16

4/3

10/9

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Physics English Medium Fsc Part 1 Chapter 11 Online MCQs Test MCQs With Answers

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