Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 10°C 5°C 15°C 20°C 10°C 5°C 15°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Equal Bigger Smaller Smaller/bigger depending on capacity Equal Bigger Smaller Smaller/bigger depending on capacity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Smelling Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Using reagents Smelling Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Using reagents ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be Dry saturated liquid refrigerant A mixture of liquid and vapour refrigerant None of these Superheated vapour refrigerant Dry saturated liquid refrigerant A mixture of liquid and vapour refrigerant None of these Superheated vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Perfectly tight vapour seal should be used Bigger cabinet should be used Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used ANSWER DOWNLOAD EXAMIANS APP
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