A frictionless heat engine can be 100% efficient only if its exhaust temperature is:
A refrigerator, with its door open. The temperature of the room will
Which device is not used in a diesel engine
Which one of the following processes is irreversible?
According to 2nd law of thermodynamics, 100% conversion of heat into mechanical work is:
The change in entropy is given by:
The net change in entropy as a system in a natural process is
The efficiency of diesel engine is
Second law of thermodynamics states that:
The process violates the 2nd law of thermodynamics is:
