A Carnot engine operates between `200^(@)C` and `20^(@)C`. Its maximum possible efficiency is:

A Carnot engine works between temperature 0^(@)C and 100^(@)C . Calculate its efficiency.

A Carnot engine operates between 277^(@)C and . 27^(@)C Efficiency of the engine will be

A Carnot engine works between 120^(@)C and 30^(@)C . Calculate the efficiency. If the power produced by the engine is 400W , calculate the heat abosorbed from the source.

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 ?

An engine is supposed to operate between two reservoirs at temperature 727^(@)C and 227^(@)C . The maximum possible efficiency of such an engine is

If a carnot engine works between 127^(@)C and 527^(@)C then its efficiency is

A Carnot engine workds between 200^(@)C and 0^(@)C and .-200^(@)C . In both caes the working substance absorbes 4 kilocalories of heat from the source. The efficiency of first engine will be

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