6.
Industrial Refrigeration: Book 1
What does the expansion device do?
a. Absorbs heat into the system.
b. Controls liquid refrigerant flow to the evaporator. CONTROL
c. It is the primary evaporator temperature control.
d. Rejects heat from the system.
7. What does the condenser do?
a. Absorbs heat into the system.
b. Controls flow.
c. Moves refrigerant from the low side to the high side.
Rejects heat from the system.
8. What does the evaporator do?
9.
CooL THE INdoor enviroment
a. Absorbs heat energy into the system. by absorbing heat
b. Controls energy.
c. Moves refrigerant from the low side to the high side.
d. Rejects heat from the system.
The four basic required components of a vapor compression
refrigeration system are
a. compressor, condenser, evaporator, receiver.
b. compressor, condenser, pump, evaporator.
c. compressor, condenser, evaporator, expansion device.
d. compressor, condenser, pump, expansion device.
10. Why should a valved-off refrigerant vessel not be filled completely full
of a liquid refrigerant?
a. It will be too heavy.
b. Vessels may be filled completely.
c. It may implode.
d. It may rupture.
A-2
©2018 Refrigerating Engineers and Technicians Association
Revised: 2020