Question

A reversible heat engine rejects 50% of the heat supplied during a cycle of operation if this engine is reversed and operates as s heat pump what is the coefficeint of performance

Answer 1

Answer:

2

Explanation:

eqn for e of heat engine th/(th-tc)

eqn for e of heat phmp (th-tc)/th

hence by the eqn here e for heat pumb will be twice(2)