Two carnot engine A and B operate respectively between `500 K` and `400 K` , and `400 K` and `300 K`. What is the percentage difference in their efficiencies ?

Two Carnot engines A and B operate respectively between 500 K and 400 K and 300 K. What is the difference in their efficiencies (in percentage)?

A carnot engine has the same efficiency between 800 K and 500 K and x K to 400 K. What is the value of x ?

A carnot engine has the same efficiency between (i) 100 K and 500 K and (ii) T and 900 K. Find T.

A carnot engine has the same efficiency (i) between 100 K and 500 K and (ii) between T K and 900 K. Calculate the temperature of the sink.

Two steam engines 'A' and 'B', have their sources respectively at 700K and 650 K and their sinks at 350 K and 300K. Then

A Carnot engine has the same efficiency between 800 K to 500 K and x K to 600 K . The value of x is

A carnot engine has the same efficiency (i) between 100K and 500K and (ii) between TK and 900K . Caculate the temperature T of the sink.

Two carnote engines A and B have their sources at 1000 K and 1100 K and their sinks are at 400 K and 500 K respectively. If eta_(A) and eta_(B) are their efficiencies,