Question # 1

Pressure 'P' of a gas is defined as

Choose an answer

F/A

FA

F/V

F/D

No spark plug is needed in the

Choose an answer

Petrol engine

Diesel engine

Gas engine

Water engine

A cycle of petrol engine undergoes

Choose an answer

Two process

Three process

Four process

single process

the work done in isochoric process is.

Choose an answer

Constant

Variable

Zero

Depend upon condition

Transformation of heat other forms of energy is discussed in

Choose an answer

Thermal physics

Thermodynamics

Atomic physics

Nuclear physics

For an ideal gas, the internal energy is directly proportional to.

Choose an answer

Pressure

volume

Mass

Temperature

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

Choose an answer

5/7

4/35

7/5

35/4

Average translational K.E. of molecules for an ideal gas is given as

Choose an answer

1/2 KT

KT

2/3 KT

3/2 KT

Unite of thermodynamics scale of temperature is.

Choose an answer

Centigrade

Fahrenheit

Kelvin

Celsius

The efficiency of diesel engine is about

Choose an answer

25% to 30%

35% to 40%

40% to 50%

50% to 60%

If heat is added to a system, then its entropy will.

Choose an answer

Increases and positive

Decrease and positive

Increases but negative

Decreases but negative

When temperature of source and sink of a heat engine becomes equal then the entropy change will be.

Choose an answer

zero

Minimum

Maximum

Negative

Environmental crisis are also known as

Choose an answer

Population crisis

Entropy crisis

War crisis

Mass crisis

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer