RETA Industrial Refrigeration
Book 3 Exam | Complete
Questions and Correct
Answers | Graded A+ |
Verified Answers | Latest
Version 2026
what is the purpose of a refrigeration system? - answer- to maintain the temperature
operators must keep refrigeration systems operating safely and efficiently. Which of the
following best describes the area of required knowledge for this to be possible? -
answer- basic physical principles, interpretation of information from temperature and
pressure gauges, basic operating principles.
mechanical Refrigeration is a series of steps that - answer- moves heat energy from a
space or object to an area where it can Do no harm
heat energy always flows - answer- from an object at a higher temperature to an object
at a lower temperature.
sensible heat - answer- is heat energy that causes a change in temperature but does
not cause a change in state.
latent heat - answer- is heat energy that causes a change of state but does not cause a
change in temperature.
which of the answers below is an example of heat transfer by convection? - answer-
warm air rising and cold air falling.
how does the refrigeration technician / operator know what the conditions are within a
refrigeration system? - answer- by using his knowledge of system basic operating
principles to evaluate the temperature and pressure readings.
what is the scale used to measure fahrenheit temperatures absolute? - answer- Rankin
which of the following is used to measure the quantity of heat energy - answer- British
thermal units BTUs or calories
Book 3 Exam | Complete
Questions and Correct
Answers | Graded A+ |
Verified Answers | Latest
Version 2026
what is the purpose of a refrigeration system? - answer- to maintain the temperature
operators must keep refrigeration systems operating safely and efficiently. Which of the
following best describes the area of required knowledge for this to be possible? -
answer- basic physical principles, interpretation of information from temperature and
pressure gauges, basic operating principles.
mechanical Refrigeration is a series of steps that - answer- moves heat energy from a
space or object to an area where it can Do no harm
heat energy always flows - answer- from an object at a higher temperature to an object
at a lower temperature.
sensible heat - answer- is heat energy that causes a change in temperature but does
not cause a change in state.
latent heat - answer- is heat energy that causes a change of state but does not cause a
change in temperature.
which of the answers below is an example of heat transfer by convection? - answer-
warm air rising and cold air falling.
how does the refrigeration technician / operator know what the conditions are within a
refrigeration system? - answer- by using his knowledge of system basic operating
principles to evaluate the temperature and pressure readings.
what is the scale used to measure fahrenheit temperatures absolute? - answer- Rankin
which of the following is used to measure the quantity of heat energy - answer- British
thermal units BTUs or calories
