A carnot engine operates with source at `127^(@)C` and sink at `27^(@)C`. If the source supplies `40kJ` of heat energy. The work done by the engine is

A Carnot's engine operates with source at 127^(@)C and sink at 27^(@)C .If the source supplies 40 kJ of heat energy, the work done by the engine is

A carnot engine operates with source at 127^(@)C and sink at 27^(@)C . If the source supplies 40 KJ of heat energy, the work done by the engine is

A carnot engine operates between 227^(@)C and 127^(@)C . It absorbs 80 kilocalories of heat from the source. What is the work done in joule ?

A perfect carnot engine has source temp. 227^(@)C and sink temp. 127^(@)C . Find the efficiency of the engine, If 10000J of external work is to be done, find heat received from source and heat released to the sink.

A carnot's engine works between a source at a temperature of 27^(@)C and a sink at -123 ^(@)C . Its efficiency is