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RETA CARO TEST EXAM 2026/2027 ACTUAL QUESTIONS AND
CORRECT ANSWERS (VERIFIED) LATEST UPDATE {50 Q & A}
GRADED A+ | BRAND NEW | 100% PASS
What does temperature indicate - ✔✔✔ Correct Answer >
intensity of heat energy in an object
Which of these is required to obtain a valid reading from
a pressure temperature chart - ✔✔✔ Correct Answer > the
refrigerant must be in a saturated condition
What is required to move heat from one object to another
- ✔✔✔
Correct Answer > temperature difference
Which of these is an essential component of a mechanical
refrigeration system - ✔✔✔ Correct Answer > expansion device
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What is a function of a compressor in a mechanical
refrigeration system - ✔✔✔ Correct Answer > to accept vapor
from the evaporator and compress it to increase its
pressure and temperature
Which refrigerant is more forgiving to moisture in the
refrigeration system - ✔✔✔ Correct Answer > R-717
Which of these is most likely to occur when air leaks
into a refrigeration system - ✔✔✔ Correct Answer > an
increase in compressor discharge pressure
Which of these is the greatest risk from closing valves on
each end of a liquid line between a liquid pump and an
evaporator during maintenance of an ammonia
refrigeration system - ✔✔✔ Correct Answer > rupture of the
line if the liquid warms
RETA CARO TEST EXAM 2026/2027 ACTUAL QUESTIONS AND
CORRECT ANSWERS (VERIFIED) LATEST UPDATE {50 Q & A}
GRADED A+ | BRAND NEW | 100% PASS
What does temperature indicate - ✔✔✔ Correct Answer >
intensity of heat energy in an object
Which of these is required to obtain a valid reading from
a pressure temperature chart - ✔✔✔ Correct Answer > the
refrigerant must be in a saturated condition
What is required to move heat from one object to another
- ✔✔✔
Correct Answer > temperature difference
Which of these is an essential component of a mechanical
refrigeration system - ✔✔✔ Correct Answer > expansion device
, 2 | Page
What is a function of a compressor in a mechanical
refrigeration system - ✔✔✔ Correct Answer > to accept vapor
from the evaporator and compress it to increase its
pressure and temperature
Which refrigerant is more forgiving to moisture in the
refrigeration system - ✔✔✔ Correct Answer > R-717
Which of these is most likely to occur when air leaks
into a refrigeration system - ✔✔✔ Correct Answer > an
increase in compressor discharge pressure
Which of these is the greatest risk from closing valves on
each end of a liquid line between a liquid pump and an
evaporator during maintenance of an ammonia
refrigeration system - ✔✔✔ Correct Answer > rupture of the
line if the liquid warms
