Suggest a practical way to increase the efficiency of a heat engine.

What is the thermal efficiency of a heat engine?

What sets the limits on efficiency of a heat engine?

Explain the working of a heat engine.

A diatomic ideal gas is used in a Carnot engine as the working substance. If during the adiabatic expansion part of the cycle the volume of the gas increase from V to 32V, the efficiency of the engine is

What are heat engines?

What are the different elements of heat engine.

In a heat engine , the temperature of the source and sink are 500 K and 375 K . If the engine consumes 25 xx 10^5 J per cycle, find the efficiency of the engine.

What is heat engine ?

Ethanol is used an an additive to increase the efficiency of petrol such a fuel is called________

When the absolute temperature of the source of a Carnot heat engine is increased by 25 %, its efficiency increases by 80%. The new efficiency of the engine is