Question # 1

Boltzman constant 'k' has same unit as.

Choose an answer

Temperature

Energy

Entropy

Pressure

No spark plug is needed in the

Choose an answer

Petrol engine

Diesel engine

Gas engine

Water engine

For working of heat engine, there must be

Choose an answer

A source

A sink

Ether of these

Both of them

The motion of gas molecules is

Choose an answer

In the same direction

Random

Walls of container

Opposite to each other

The temperature scale which is independent of nature of substance is.

Choose an answer

Thermodynamic scale

Centigrade scale

Fahrenheit scale

Regnault scale

For working of heat engine, there must be.

Choose an answer

A source

A sink

either of these

Both of these

Which is an example of irreversible process.

Choose an answer

Explosion

Evaporation

Slow compression

A chemical explosion

The actual efficiency of property turned petrol engine is.

Choose an answer

20% to 30%

30% to 35%

40% to 45%

25% to 30%

Value of triple point of water is given as.

Choose an answer

Zero K

100 K

273.16 K

373.16 K

A system does 600 J of work and at the same time has its internal energy increased by 320 J. How much heat has been supplied.

Choose an answer

28o J

920 J

600 J

200 J

A Carnot engine has an efficiency of 50% when its sink temperature is at 27 ^oC. The temperature of source.

Choose an answer

273^oC

300 ^oC

327 ^oC

373 ^oC

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