Carnot Engine

For which combination of working temperature, the efficiency of Carnot's engine is the least ?

An ideal Carnot's engine works between 227^(@)C and 57^(@)C . The efficiency of the engine will be

For which combination of working temperatures the efficiency of Carnot’s engine is highest

A Carnot's engine has an efficiency of 50 % at sink temperature 50^(@)C .Calculate the temperature of source.

The efficiency of a Carnot heat engine

Efficiency of a Carnot heat engine may be given as