If the ambient temperature rises 10 F, the skin temperature rises only ______:
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Screw compressor is a positive displacement compressor:
______ has the lowest boiling temperature.
Which of the following is used for testing the leaks in the entire refrigeration circuit before it can be charged with refrigerant:
For all commercial appliances that have a refrigerant charge of more than 50 pounds, the trigger leak rates shall be ______ for a 12-month period so that the owner or operator must take corrective action.
Which of the following chiller have high heat transfer efficiency:
The presence of refrigerant vapor upstream of the _____ is very undesirable
As the superheat of the suction gas increases, the hp per ton _______:
The Ozone depletion potential (ODP) of R-22 is _____ of R-11 refrigerant:
Which one of the following is largest ozone depletion substation that is emitted through activities of human: