RETA Chapter 1 Study Questions / RETA CARO / RETACARO EXAM
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Course
RETA Chapter 1
Institution
RETA Chapter 1
RETA Chapter 1 Study Questions / RETA CARO / RETACARO EXAM
The primary purpose of a refrigeration system is
A. To freeze food
B. To cool buildings
C. To preserve food
D. To maintain a temperature - ANSWER-D. To maintain a temperature
Operators must keep refrigeration systems operating safely ...
RETA Chapter 1 Study
Questions / RETA CARO
/ RETACARO EXAM
The primary purpose of a refrigeration system is
A. To freeze food
B. To cool buildings
C. To preserve food
D. To maintain a temperature - ✔✔✔ANSWER-D. To maintain a temperature
Operators must keep refrigeration systems operating safely and efficiently. Which
of the following best describes the required knowledge for this to be possible? -
✔✔✔ANSWER-A. Basic physical principles, interprtaetion of information from
temperature and pressure gauges, and basic operating principles.
, Mechanical refrigeration is a series of steps that
A. moves heat energy from a space or object to an area where it can do no harm.
B. adds cold to a space or object
C. transforms heat energy into cold energy to reduce the temperature of the area to
be cooled
D. utilizies the cooling effect of compressing a gas to reduce the temperature in a
space or object - ✔✔✔ANSWER-A. moves heat energy from a space or object to
an area where it can do no harm.
Heat energy always flows
A. from a substance with more heat energy (measured in BTU's) to a substance
with less heat energy (measured in BTU's)
B. regardless of temperature
C. from an object at a higher temperature to an object at a lower temperature
D. from a liquid to a vapor - ✔✔✔ANSWER-C. from an object at a higher
temperature to an object at a lower temperature
Sensible heat
A. is measured using a pressure gauge
B. is always between 32 and 212 degrees F
C. is heat energy that causes a change in state, but does not cause a change in
temperature
D. is heat energy that causes a change in temperature, but does not cause a change
in state - ✔✔✔ANSWER-D. is heat energy that causes a change in temperature,
but does not cause a change in state
Latent heat
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