RETA CARO EXAM PRACTICE TEST WITH
VERIFIED QUESTIONS AND ANSWERS [
GUARANTEED A+]
Conduction is defined as heat energy that is - ✔✔moving through a solid
substance
What is the primary purpose of a refrigeration system ? - ✔✔achieve and
maintain a temperature
What is a hazard of trapping liquid ? - ✔✔A possible release
How much can the pressure of trapped liquid increase per degree Fahrenheit of
temperature increase - ✔✔100 to 150 psi
©morren 2025/2026. Year published 2026.
,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
How does the refrigeration compressor maintain the temperature in the
system evaporators ? - ✔✔Drawing out vaporized refrigerant at a rate to
maintain the desired evaporating pressure
Which natural refrigerant is considered to be non- flammable - ✔✔Carbon
Dioxide
Heat energy always flows - ✔✔from an object at a higher temperature to an
object at a lower temperature
32 psia equals - ✔✔17.3 psig
0 ° F is equal to - ✔✔-18 ° C
©morren 2025/2026. Year published 2026.
, Why does the refrigerant in the condenser change state from vapor to liquid -
✔✔The refrigerant loses heat energy to the surrounding environment
If a liquid is below its saturation temperature what is its condition ? -
✔✔Subcooled
What are the four necessary components of a mechanical refrigeration system
? - ✔✔expansion device , evaporator , compressor , condenser
Superheat is found at which points of a typical system ? - ✔✔The compressor
suction and compressor discharge line
What are the replacement blended refrigerants called ? - ✔✔An azeotrope or
zeotrope
©morren 2025/2026. Year published 2026.
VERIFIED QUESTIONS AND ANSWERS [
GUARANTEED A+]
Conduction is defined as heat energy that is - ✔✔moving through a solid
substance
What is the primary purpose of a refrigeration system ? - ✔✔achieve and
maintain a temperature
What is a hazard of trapping liquid ? - ✔✔A possible release
How much can the pressure of trapped liquid increase per degree Fahrenheit of
temperature increase - ✔✔100 to 150 psi
©morren 2025/2026. Year published 2026.
,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
How does the refrigeration compressor maintain the temperature in the
system evaporators ? - ✔✔Drawing out vaporized refrigerant at a rate to
maintain the desired evaporating pressure
Which natural refrigerant is considered to be non- flammable - ✔✔Carbon
Dioxide
Heat energy always flows - ✔✔from an object at a higher temperature to an
object at a lower temperature
32 psia equals - ✔✔17.3 psig
0 ° F is equal to - ✔✔-18 ° C
©morren 2025/2026. Year published 2026.
, Why does the refrigerant in the condenser change state from vapor to liquid -
✔✔The refrigerant loses heat energy to the surrounding environment
If a liquid is below its saturation temperature what is its condition ? -
✔✔Subcooled
What are the four necessary components of a mechanical refrigeration system
? - ✔✔expansion device , evaporator , compressor , condenser
Superheat is found at which points of a typical system ? - ✔✔The compressor
suction and compressor discharge line
What are the replacement blended refrigerants called ? - ✔✔An azeotrope or
zeotrope
©morren 2025/2026. Year published 2026.
