The effiency of reversible engine is___the irreversible engine.

The efficiency of the reversible heat engine is eta_(r) and that of irreversible heat engine is eta_(l) . Which of the following relations is correct?

How can the efficiency of a reversible engine be 100%?

Find the efficiency of a reversible engine working between 500^@C and 30^@C .

The Carnot cycle of a reversible heat engine consists of