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WorksheetsRefrigeration Cycle 2
Total questions: 13
Worksheet time: 7mins
What is the compressor known as?
The heart of the system.
The leg of the system.
The control system.
The air system.
What state is the refrigerant in when leaving the compressor?
100 percent Low Pressure, low temperature, superheated vapor
100 percent High Pressure, high temperature, superheated vapor
100 percent Low Pressure, low temperature subcooled Liquid
100 percent High Pressure, high temperature subcooled Liquid
What is the state of the refrigerant entering the compressor?
High pressure, high temperature, 100 percent superheated vapor
High pressure, high temperature, 100 percent subcooled liquid
Low pressure, low temperature, 100 percent superheated vapor
Low pressure, low temperature, 100 percent subcooled liquid
What is the temperature of the discharge line if you touch it.
Warm
Cool
Cold
Very Warm/Hot
What is the temperature of the suction line if you touch it?
Warm
Cold
Cool
Very Warm/Hot
What is the temperature of the liquid line if you touch it?
Warm
Cold
Cool
Very Warm/Hot
What is the temperature of the line at the outlet of the expansion device if you touch it?
Warm
Cold
Cool
Very Warm/Hot
What happens in the first 1/3 of the condenser?
Refrigerant subcools
Refrigerant superheats
Refrigerant changes to 25 percent vapor and 75 percent liquid
Refrigerant desuperheats
What is the job of the condenser?
Create flash gas, superheat, cool refrigerant
subcool, superheat, condense refrigerant
meter refrigerant, create flash gas, condense
desuperheat, condense, subcool refrigerant
What is the job of the expansion device?
begin changing liquid into vapor by creating a pressure drop
begin subcooling liquid by warming the vapor
begin superheating vapor by cooling the liquid
maintaining a constant pressure from the high side to the low side
What is the state of the refrigerant leaving the metering device in a refrigerator?
50 percent liquid and 50 percent vapor
25 percent liquid and 75 percent vapor
25 percent vapor and 75 percent liquid
100 percent liquid
What is the job of the evaporator?
Absorb heat from inside the refrigerator.
Absorb heat from outside the refrigerator.
change vapor to liquid
create flash gas
What is the state of the refrigerant leaving the evaporator?
100 percent liquid
50 percent liquid and 50 percent vapor
100 percent superheated vapor
100 percent subcooled liquid
