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