engineering recuitment HPCL Engineer Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices
If a refrigeration compressor using a thermostat as a primary controller is running continuously without significantly lowering the temperature in the refrigerated space, which of the following is most likely the trouble?
1
A shortage of compressor oil
2
A shortage of refrigerant
3
Warm food in the refrigerator
4
Excessive condenser cooling water