Refrigeration Cycle
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1. In a small appliance HFC-134a the greatest temperature drop is across what?
A) evaporator
B) receiver
C) compressor
D) condenser: D
2. In a small reefer appliance using HFC-134a the greatest temp drop is across
what?
A) evaporator
B) thermal expansion valve
C) compressor
D) reciever: B
3. The component of a reefer system in which the refrigerant vaporizes and
absorbs heat is known as what?
A) condenser
B) vapor generator
C) accumulator
D) evaportator: D
4. Which of the following statement is correct concering a multi coil reefer
system?
A) liquid receiver functions to collect and remove the non condensable gases
B) a thermostatic expansion valve is used to control reefer space temp
C) refrigeration temp in an evaporator is directly related to refrigerant pres-
sure
D) dehydrators must be used continuously in a reefer system: C
5. Under normal conditions, the refrigerant enters the compressor in an oper-
ating refrigeration system in what condition and or state?
A) liquid
B) dry saturated gas
1/5
, Refrigeration Cycle
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C) wet saturated gas
D) superheated vapor: D
6. In which of the listed refrigeration system componnents does the superheat-
ing of refrigerant take place?
A) expansion valve
B) evaporator
C) drier
D) Receiver: B
7. The LP refrigerant leaves the evaporator of a refrigeration system in what
condition?
A) sub cooled liquid
B) high temp liquid
C) oil saturated liquid
D) superheated vapor: D
8. The refrigerant gas returning to the compressor should be in what condition?
A) superheated
B) saturated
C) dense
D) flooded: A
9. Which of the listed refrigeration components keeps the refrigerant circulating
throughout the system?
A) expansion valve
B) condenser
C) evaporator
D) compressor: D
10. In order of direction of flow, the LP side of the refrigeration system is
considered to exist between what two components?
A) expansion valve to the compressor
2/5
Study online at https://quizlet.com/_hyefe2
1. In a small appliance HFC-134a the greatest temperature drop is across what?
A) evaporator
B) receiver
C) compressor
D) condenser: D
2. In a small reefer appliance using HFC-134a the greatest temp drop is across
what?
A) evaporator
B) thermal expansion valve
C) compressor
D) reciever: B
3. The component of a reefer system in which the refrigerant vaporizes and
absorbs heat is known as what?
A) condenser
B) vapor generator
C) accumulator
D) evaportator: D
4. Which of the following statement is correct concering a multi coil reefer
system?
A) liquid receiver functions to collect and remove the non condensable gases
B) a thermostatic expansion valve is used to control reefer space temp
C) refrigeration temp in an evaporator is directly related to refrigerant pres-
sure
D) dehydrators must be used continuously in a reefer system: C
5. Under normal conditions, the refrigerant enters the compressor in an oper-
ating refrigeration system in what condition and or state?
A) liquid
B) dry saturated gas
1/5
, Refrigeration Cycle
Study online at https://quizlet.com/_hyefe2
C) wet saturated gas
D) superheated vapor: D
6. In which of the listed refrigeration system componnents does the superheat-
ing of refrigerant take place?
A) expansion valve
B) evaporator
C) drier
D) Receiver: B
7. The LP refrigerant leaves the evaporator of a refrigeration system in what
condition?
A) sub cooled liquid
B) high temp liquid
C) oil saturated liquid
D) superheated vapor: D
8. The refrigerant gas returning to the compressor should be in what condition?
A) superheated
B) saturated
C) dense
D) flooded: A
9. Which of the listed refrigeration components keeps the refrigerant circulating
throughout the system?
A) expansion valve
B) condenser
C) evaporator
D) compressor: D
10. In order of direction of flow, the LP side of the refrigeration system is
considered to exist between what two components?
A) expansion valve to the compressor
2/5
