MASSACHUSETTS LATEST
REFRIGERATION EXAM
One horsepower is equal to ____watts - ANSWERS-746
How is brine measured - ANSWERS-Hydrometer
The low pressure oil switch will - ANSWERS-Shut down the
compressor
What is the heat called when the substance changes state - ANSWERS-
Latent heat.
Positive displacement compressors with a stop valve on the discharge
line, must have what before the stop valve - ANSWERS-High pressure
control
What is a suction accumulator - ANSWERS-A device used to store
excess liquid refrigerant in the suction line
If the purge unit fails, what are the symptoms - ANSWERS-High head
pressure
END OF
PAGE 1
, MASSACHUSETTS LATEST
REFRIGERATION EXAM
The oil separator is located - ANSWERS-Between the compressor and
condenser
A hard start kit consists of - ANSWERS-a start capacitor and a potential
relay
The primary function of the expansion valve is to: - ANSWERS-
Regulate flow
A service valve is said to be front seated when: - ANSWERS-No
refrigerant can enter or exit the compressor.
What device proves the pilot flame in a typical furnace? - ANSWERS-
Thermocouple
A aight glass will? - ANSWERS-Indicate moisture and show flash gas
Sensible heat is? - ANSWERS-The heat required to raise the
temperature of a liquid
END OF
PAGE 2
REFRIGERATION EXAM
One horsepower is equal to ____watts - ANSWERS-746
How is brine measured - ANSWERS-Hydrometer
The low pressure oil switch will - ANSWERS-Shut down the
compressor
What is the heat called when the substance changes state - ANSWERS-
Latent heat.
Positive displacement compressors with a stop valve on the discharge
line, must have what before the stop valve - ANSWERS-High pressure
control
What is a suction accumulator - ANSWERS-A device used to store
excess liquid refrigerant in the suction line
If the purge unit fails, what are the symptoms - ANSWERS-High head
pressure
END OF
PAGE 1
, MASSACHUSETTS LATEST
REFRIGERATION EXAM
The oil separator is located - ANSWERS-Between the compressor and
condenser
A hard start kit consists of - ANSWERS-a start capacitor and a potential
relay
The primary function of the expansion valve is to: - ANSWERS-
Regulate flow
A service valve is said to be front seated when: - ANSWERS-No
refrigerant can enter or exit the compressor.
What device proves the pilot flame in a typical furnace? - ANSWERS-
Thermocouple
A aight glass will? - ANSWERS-Indicate moisture and show flash gas
Sensible heat is? - ANSWERS-The heat required to raise the
temperature of a liquid
END OF
PAGE 2
