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RETA Chapter 1 UPDATED Exam Questions and CORRECT Answers
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RETA Chapter 1 UPDATED Exam Questions and CORRECT Answers 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 - CORRECT ANSWER- D. To maintain a temperature Operators must keep refrigeration systems operat...

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  • August 9, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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RETA Chapter 1 UPDATED Exam
Questions and CORRECT Answers

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 - CORRECT 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? - CORRECT
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 - CORRECT 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 - CORRECT 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

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