Heat Engine|Kelvin's - Plank Statement|Carnot Engine|Questions|Refrigerator (Heat Pump)|Questions

Carnot engine is

Carnot Engine and Refrigerator

Heat Pump Or Refrigerator

Question|Free Expansion |Heat Engine |Refrigerator

Question|Free Expansion |Heat Engine |Refrigerator

The efficiency of a Carnot heat engine

Assertion: Efficiency of a heat engine can't be greater than efficiency of Carnot engine. Reason: Effieciency of any engine is never 100%

Carnot cycle | Carnot engine and clausius statement

A Carnot engine, having an efficiency of eta= 1/10 as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is