Efficiency of a Carnot engine is `50%` when temperature of outlet is `500 K`. In order to increase efficiency up to `60%` keeping temperature of intake the same what is temperature of outlet?

Efficiency of a Carnot engine is 50%, when temperature of outlet is 500 K. In order to increase efficiency upto 60% keeping temperature of intake the same, what is temperature of outlet ?

Efficiency of a heat engine whose sink is at temperature of 300 K is 40% . To increase the efficiency to 60 % keeping the sink temperature same, the source temperature must be increased by

The efficiency of Carnot's enegine is 50% . The temperature of its sink is 7^(@)C . To increase its efficiency to 70% . What is the increase in temperature of the source?

The efficiency of Carnot's enegine is 50% . The temperature of its sink is 7^(@)C . To increase its efficiency to 70% . What is the increase in temperature of the source?

The temperature of the sink of a carnot engine is 300 K and its efficiency is 40 %. Find the decrease in temperature of the sink required to increase the efficiency of the engine to 50% keeping temperature of the source to be constant.

In a Carnot engine the temperature of source is 1000 K and the efficiency of engine is 70%. What is the temperature of the sink ?