RETA INDUSTRIAL REFRIGERATION BOOK 1 EXAM NEWEST
2025/2026 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND VERIFIED ANSWERS |ALREADY GRADED
A+|
An operator should check all pressures and temperatures before
leaving a shift? (pg. 6-8)
A) To allow the oncoming operator to begin operating without
doing a round sheet
B) To provide a baseline for the oncoming operator to compare
their reading to better understand the operating condition of the
system
C) Because the walkthrough will show everyone who is on duty
D) Because it is required by the regulations - ANSWER-B) To
provide a baseline for the oncoming operator to compare their
reading to better understand the operating condition of the system
Which of the following is a danger of slugging in a compressor?
(pg. 6-20)
A) excessive electric bills
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B) Condenser flooding and high condensing pressure
C) Low evaporator temperature
D) Mechanical damage to the compressor and refrigerant loss -
ANSWER-D) Mechanical damage to the compressor and
refrigerant loss
Slugging is caused by? (pg. 6-20)
A) Liquid refrigerant only
B) Oil only
C) Oil or liquid refrigerant
D) Excess superheat in the evaporator - ANSWER-C) Oil or liquid
refrigerant
When an operator is starting a compressor or any other piece of
refrigeration equipment, he should? (pg. 6-12)
A) Notify his supervisor
B) Read the SOP on the equipment before performing the task
C) Study the P&IDs to make sure the plant is set up correctly
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D) Ensure the suction valve is closed and press the start button -
ANSWER-B) Read the SOP on the equipment before performing
the task
The operator would be concerned about liquid slugging if they
observed? (pg. 6-20)
A) Rapid suction temperature rise
B) Rapid discharge temperature drop
C) Rapid discharge temperature rise
D) Rapid evaporator temperature rise - ANSWER-B) Rapid
discharge temperature drop
The term "P&ID" is short for? (pg. 6-4)
A) Packing and insulating device
B) Pump and isolation diagram
C) Piping and insulation diagram
D) Piping and instrumentation diagram - ANSWER-D) Piping and
instrumentation diagram
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Care must be taken when handling and storing oil containers that
have been opened. Which of the following are true? (pg. 7-4)
A) They should be resealed as oil will absorb moisture from the
atmosphere
B) Dust will accumulate from the air and purify the oil
C) Oil will evaporator and cause the remaining oil to become
more viscous
D) Oil may oxidize and lose its lubricating - ANSWER-A) They
should be resealed as oil will absorb moisture from the
atmosphere
Lubrication has four separate function sin refrigeration systems.
They are? (pg. 7-2)
A) Lubrication, cleaning, forming, sealing
B) Lubrication, sealing, cooling, containment
C) Lubrication, seating, warming, cleaning
D) Lubrication, sealing, cooling, cleaning - ANSWER-D)
Lubrication, sealing, cooling, cleaning
Which one of the following statements is correct? (pg. 7-9)