engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Gas Refrigeration Cycle
In isentropic compression, similar to the aircraft refrigeration cycle, what is ram efficiency?
1
It is proportional to mass flow rate
2
Ratio of input to output ram pressure
3
Ratio of aircraft velocity to sonic velocity
4
Ratio of actual pressure rise to isentropic pressure