RETA CARO Exam Questions With Complete
solutions.
1. What is the purpose of a refrigeration system?: To maintain a temperature
2. Operators must keep refrigeration systems operating safely and
efficiently. Which of the following best describes the areas of required
knowledge for this to be possible?: Basic physical principles, interpretation of information from
temperature and pressure gauges, basic operating principles.
3. Mechanical refrigeration is a series of steps that:: Moves heat energy from a space or
object to an area where it can do no harm.
4. Heat energy always flows:: from an object at a higher temperature to an object at a lower
temperature
5. Sensible heat:: is heat energy that causes a change in temperature but does not cause a change of state.
6. Latent heat:: is heat energy that causes a change of state but does not cause a change in temperature.
7. Which of the answers below is an example of heat transfer by convection?:
-
Warm air moving over an object.
8. How does the refrigeration technician/operator know what the conditions are
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solutions.
1. What is the purpose of a refrigeration system?: To maintain a temperature
2. Operators must keep refrigeration systems operating safely and
efficiently. Which of the following best describes the areas of required
knowledge for this to be possible?: Basic physical principles, interpretation of information from
temperature and pressure gauges, basic operating principles.
3. Mechanical refrigeration is a series of steps that:: Moves heat energy from a space or
object to an area where it can do no harm.
4. Heat energy always flows:: from an object at a higher temperature to an object at a lower
temperature
5. Sensible heat:: is heat energy that causes a change in temperature but does not cause a change of state.
6. Latent heat:: is heat energy that causes a change of state but does not cause a change in temperature.
7. Which of the answers below is an example of heat transfer by convection?:
-
Warm air moving over an object.
8. How does the refrigeration technician/operator know what the conditions are
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