Engineering Thermodynamics
Which of the following is the correct statement?

Irreversible engines have maximum efficiency.
All the reversible and irreversible engines have the same efficiency.
All the reversible engines have the same efficiency.
All engines are designed as reversible in order to obtain maximum efficiency.

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
Extensive property of a system is one whose value

Depends on the mass of the system like volume
Is dependent on the path followed and not on the state
Does not depend on the mass of the system, like temperature, pressure, etc.
Is not dependent on the path followed but on the state

ANSWER DOWNLOAD EXAMIANS APP