Ac Certification Questions and Verified Answers | Passed | A+

Heat which can cause a change in temperature of a substance is called; : Sensible Heat Heat added to a substance without a rise in temperature;(example: liquid refrigerant to gas) this process is called? : Latent Heat of Vaporization Heat added to the refrigerant in a vapor state after the evaporation process is called; : Superheat A scroll compressor move refrigerant by means of; : Involute spirals The movement of heat by way of fluid(of air) is called; 2 : Convection The movement of heat through a solid object is called; : Conduction The standard unit for measuring the quantity of heat in a substance is; : The British Thermal Unit(Btu) A 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 entering the condenser is; : High pressure/highly superheated vapor The evaporator; 3 : Transfers heat from the refrigerated space to the refrigerant Which of the following is NOT a thermodynamic property of refrigerants? : Flammability The state of the refrigerant in the suction line should be; : Low pressure/low temperature liquid