Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Remain unchanged
Decrease
Increase
Increase/decrease depending on application

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
The door of a running refrigerator inside a room was left open. Which of the following statements is correct?

The room will be cooled very slightly
The room will be gradually warmed up
The temperature of the air in room will remain unaffected
The room will be cooled to the temperature inside the refrigerator

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
Extensive property of a system is one whose value

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

ANSWER DOWNLOAD EXAMIANS APP