ESCO Air Conditioning Exam Guide Questions and Answers UPDATED

ESCO Air Conditioning Exam Guide Questions and Answers UPDATED Heat which causes a change in temperature of a substance is called Sensible heat Heat added to a substance without a rise in temperature Latent heat Heat added to the refrigerant in a vapor state after the evaporation process is called Superheat Scroll compressor move refrigerant by Involute Spirals The movement of heat by way of fluid is called Convection The movement of heat by direct contact is Conduction The standard unit for measuring the quantity of heat in a substance is BTUs Refrigerant gives up heat when It condenses Why must refrigerant in the suction line be slightly warmer than the saturation temperature? Prevent liquid slugging of the compressor The state of the refrigerant in the suction line should be Low pressure / Low temperature vapor The state of the refrigerant entering the condenser is High pressure / Highly superheated vapor