Reta Caro Exam Practice Test QUESTIONS
AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) | GRADED A+ | NEW
UPDATE 2026
Conduction is defined as heat energy that is - ✔✔ANSWER✔✔-moving through
a solid substance
What is the primary purpose of a refrigeration system ? - ✔✔ANSWER✔✔-
achieve and maintain a temperature
What is a hazard of trapping liquid ? - ✔✔ANSWER✔✔-A possible release
How much can the pressure of trapped liquid increase per degree Fahrenheit
of temperature increase - ✔✔ANSWER✔✔-100 to 150 psi
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
, How does the refrigeration compressor maintain the temperature in the
system evaporators ? - ✔✔ANSWER✔✔-Drawing out vaporized refrigerant at a
rate to maintain the desired evaporating pressure
Which natural refrigerant is considered to be non- flammable -
✔✔ANSWER✔✔-Carbon Dioxide
Heat energy always flows - ✔✔ANSWER✔✔-from an object at a higher
temperature to an object at a lower temperature
32 psia equals - ✔✔ANSWER✔✔-17.3 psig
0 ° F is equal to - ✔✔ANSWER✔✔--18 ° C
Why does the refrigerant in the condenser change state from vapor to liquid -
✔✔ANSWER✔✔-The refrigerant loses heat energy to the surrounding
environment
If a liquid is below its saturation temperature what is its condition ? -
✔✔ANSWER✔✔-Subcooled
What are the four necessary components of a mechanical refrigeration system
? - ✔✔ANSWER✔✔-expansion device , evaporator , compressor , condenser
Superheat is found at which points of a typical system ? - ✔✔ANSWER✔✔-The
compressor suction and compressor discharge line
AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) | GRADED A+ | NEW
UPDATE 2026
Conduction is defined as heat energy that is - ✔✔ANSWER✔✔-moving through
a solid substance
What is the primary purpose of a refrigeration system ? - ✔✔ANSWER✔✔-
achieve and maintain a temperature
What is a hazard of trapping liquid ? - ✔✔ANSWER✔✔-A possible release
How much can the pressure of trapped liquid increase per degree Fahrenheit
of temperature increase - ✔✔ANSWER✔✔-100 to 150 psi
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
, How does the refrigeration compressor maintain the temperature in the
system evaporators ? - ✔✔ANSWER✔✔-Drawing out vaporized refrigerant at a
rate to maintain the desired evaporating pressure
Which natural refrigerant is considered to be non- flammable -
✔✔ANSWER✔✔-Carbon Dioxide
Heat energy always flows - ✔✔ANSWER✔✔-from an object at a higher
temperature to an object at a lower temperature
32 psia equals - ✔✔ANSWER✔✔-17.3 psig
0 ° F is equal to - ✔✔ANSWER✔✔--18 ° C
Why does the refrigerant in the condenser change state from vapor to liquid -
✔✔ANSWER✔✔-The refrigerant loses heat energy to the surrounding
environment
If a liquid is below its saturation temperature what is its condition ? -
✔✔ANSWER✔✔-Subcooled
What are the four necessary components of a mechanical refrigeration system
? - ✔✔ANSWER✔✔-expansion device , evaporator , compressor , condenser
Superheat is found at which points of a typical system ? - ✔✔ANSWER✔✔-The
compressor suction and compressor discharge line
