GCAP INDUSTRIAL AMMONIA
REFRIGERATION TRAINING EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2026
What is the principle of manage and disadvantage of
ammonia as a refrigerant - ANSWERS-It is readily available
but it is toxic
What is the difference between a unit cooler and a blast
freezer - ANSWERS-Unit colors are not installed and
freezers, air velocity, more tonnage of equipment per
square foot
During a hot gas defrost cycle - ANSWERS-High-pressure gas
from the compressor discharge is piped through the
evaporator
,What is the tax gas/flash/gas ( non-refrigeration effect ) in
operating an ammonia refrigeration system? With the
evaporator at 10°F in the condenser at 85°F - ANSWERS-15%
Compressors are sized based on what requirement? -
ANSWERS-CFM requirement
What is fluid friction or vapor resistance - ANSWERS-The
loss of pressure as the liquid/vapor interacts with inner
walls of the pipe
In a DX or dry expansion coil evaporator the refrigerant
should leave __________________? - ANSWERS-In a
superheated vapor state
In a recirculation system where it is important to keep a
constant pump pressure? - ANSWERS-At the metering valve
evaporator Inlet
Which evaporator has the least amount of fans space per
inch for the operational duties it performs? - ANSWERS-A
blast freezer evaporator
,What does the compressor do? - ANSWERS-Movies
refrigerant from the low side to the high side and controls
temperatures.
What does the expansion device do - ANSWERS-Control
flow
What does the condenser do? - ANSWERS-Rejects heat from
the system
What does the evaporator do? - ANSWERS-Absorbs heat
into the system
- ANSWERS-
To put a solenoid in AUTO, it's Stem must be screwed
_____________. - ANSWERS-Depends on manufacturer and
model.
What should an Operator have the ability to do from
outside the doors to the engine room? - ANSWERS-Initiate
the emergency shut down switches and exhaust fans.
, Approximately how many BTU's does it take to convert 1
pound of saturated liquid Ammonia to 1 pound of saturated
gas? - ANSWERS-561 BTU's
Approximately how many BTU's does it take to convert 1
pound of liquid water at 212° F to steam at 212°F? -
ANSWERS-970 BTU's
Approximately how many BTU's does it take to melt 1
pound of ice to water at 32°F - ANSWERS-144 BTU's
And example of how I love lamp works would be an
example of what type of heat transfer? - ANSWERS-Radiant,
Conduction, and Convection.
The glow of the sun would be an example of what type of
heat transfer? - ANSWERS-Radiation
If you touch the hot ceramic coffee mug with your bare
hands, this would be an example of what type of heat
transfer? - ANSWERS-Conduction.
REFRIGERATION TRAINING EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2026
What is the principle of manage and disadvantage of
ammonia as a refrigerant - ANSWERS-It is readily available
but it is toxic
What is the difference between a unit cooler and a blast
freezer - ANSWERS-Unit colors are not installed and
freezers, air velocity, more tonnage of equipment per
square foot
During a hot gas defrost cycle - ANSWERS-High-pressure gas
from the compressor discharge is piped through the
evaporator
,What is the tax gas/flash/gas ( non-refrigeration effect ) in
operating an ammonia refrigeration system? With the
evaporator at 10°F in the condenser at 85°F - ANSWERS-15%
Compressors are sized based on what requirement? -
ANSWERS-CFM requirement
What is fluid friction or vapor resistance - ANSWERS-The
loss of pressure as the liquid/vapor interacts with inner
walls of the pipe
In a DX or dry expansion coil evaporator the refrigerant
should leave __________________? - ANSWERS-In a
superheated vapor state
In a recirculation system where it is important to keep a
constant pump pressure? - ANSWERS-At the metering valve
evaporator Inlet
Which evaporator has the least amount of fans space per
inch for the operational duties it performs? - ANSWERS-A
blast freezer evaporator
,What does the compressor do? - ANSWERS-Movies
refrigerant from the low side to the high side and controls
temperatures.
What does the expansion device do - ANSWERS-Control
flow
What does the condenser do? - ANSWERS-Rejects heat from
the system
What does the evaporator do? - ANSWERS-Absorbs heat
into the system
- ANSWERS-
To put a solenoid in AUTO, it's Stem must be screwed
_____________. - ANSWERS-Depends on manufacturer and
model.
What should an Operator have the ability to do from
outside the doors to the engine room? - ANSWERS-Initiate
the emergency shut down switches and exhaust fans.
, Approximately how many BTU's does it take to convert 1
pound of saturated liquid Ammonia to 1 pound of saturated
gas? - ANSWERS-561 BTU's
Approximately how many BTU's does it take to convert 1
pound of liquid water at 212° F to steam at 212°F? -
ANSWERS-970 BTU's
Approximately how many BTU's does it take to melt 1
pound of ice to water at 32°F - ANSWERS-144 BTU's
And example of how I love lamp works would be an
example of what type of heat transfer? - ANSWERS-Radiant,
Conduction, and Convection.
The glow of the sun would be an example of what type of
heat transfer? - ANSWERS-Radiation
If you touch the hot ceramic coffee mug with your bare
hands, this would be an example of what type of heat
transfer? - ANSWERS-Conduction.
