An ideal heat engine exhausting heat at `77^(@)` is to have a 30% efficiency. It must take heat at

An ideal heat engine exhausting heat at 77^@C is to have a 30% efficiency. It must take heat at

An ideal heat engine takes in heat at 1520K and rejects heat at 380K . What is the efficiency of that engine ?

For an ideal heat engine, the temperature of the source is 127^(@)C . In order to have 60% efficiency the temperature of the sink should be _____ ""^(@)C . (Round off to the Nearest Integer)

What is the efficiency of a heat engine ?

What is the thermal efficiency of a heat engine?

An ideal heat engine can be 100% efficient if its sink is at

If a heat engine absorbs 50 KJ heat from a heat source and has an efficiency of 40%, then the heat released by it in heat sink is

A Carnot engine whose efficiency is 45% takes heat from a source maintained at a temperature of 327^(@)C .To have an engine of efficiency 60% what must be the intake temperature for the same exhaust (sink) temperature