GCAP INDUSTRIAL AMMONIA
REFRIGERATION TRAINING EXAM
2025/2026 QUESTIONS AND
DETAILED CORRECT ANSWERS | A+
GRADE
Hydrostatic Expansion will increase pressure how much
per degree of Fahrenheit heat exposure for Ammonia?
A. 10 PSI
B. 40,000 PSI
C. 100 - 150 PSI
D. 1 - 10 PSI Correct Answer C. 100 - 150 psi
Figure out the volume of this room. Length is 10 feet,
width is 14 feet, and Height is 20 feet.
A. 44 cubic feet
B. 2,800 cubic feet
C. 160 cubic feet
D. 5,600 cubic feet Correct Answer B. 2800 cubic ft
(10x14x20)
A rate is a measure of something to a fixed unit such as
time. What is tonnage?
A. Time
B. BTU's
,C. Heat transfer in BTU's per time
D. Heat transfer in PSIG per time Correct Answer C. Heat
transfer in BTU's per time
A home air-conditioner is rated to remove 24,000 BTUs in
one hour. What is the tonnage rating?
A. 1 Ton
B. 2 Ton
C. 3 Ton
D. 4 Ton Correct Answer B. 2 Ton. (12,000 BTUs equals
one hour. 12,000 x 2 = 24,000 BTU's = 2 ton)
Compressors pump vapor only and they are sized by what
requirement?
A. CFM
B. GPM
C. MPH
D. KPH Correct Answer A. CFM (Cubic Feet per Minute)
Which is Not a secondary coolant?
A. Sodium Chloride
B. Calcium Chloride
C. Glycol
D. R-134a Correct Answer D. R-134a
What is a King Valve? Correct Answer First liquid manual
closing valve leaving the HPR (High Pressure Receiver)
, Calculate the compression ratio for the following
information:
Suction Pressure: 33 PSIG Discharge Pressure: 181 PSIG
Suction temp: 27° F Discharge Temp: 178° F
Motor Amps: 55 Oil Pressure: 44 PSID Correct Answer
4.10:1 (to convert add 14.7 to both Suction and Discharge
Pressure and divide)
What pressure scale must be used to calculate a
compression ratio? Correct Answer PSIA
When should you track oil in a refrigeration system?
Correct Answer When it is added and removed
How many groups of halocarbons are there? Correct
Answer 3 Groups
Zeotropic and Azeotropic or types of refrigerants that are
considered to be? Correct Answer Blends or mixtures.
Air (non-condensable gas) in an Ammonia system will not
cause what? Correct Answer Lower suction pressure.
To put a solenoid in AUTO, it's Stem must be screwed
_____________. Correct Answer Depends on
manufacturer and model.
What should an Operator have the ability to do from
outside the doors to the engine room? Correct Answer
REFRIGERATION TRAINING EXAM
2025/2026 QUESTIONS AND
DETAILED CORRECT ANSWERS | A+
GRADE
Hydrostatic Expansion will increase pressure how much
per degree of Fahrenheit heat exposure for Ammonia?
A. 10 PSI
B. 40,000 PSI
C. 100 - 150 PSI
D. 1 - 10 PSI Correct Answer C. 100 - 150 psi
Figure out the volume of this room. Length is 10 feet,
width is 14 feet, and Height is 20 feet.
A. 44 cubic feet
B. 2,800 cubic feet
C. 160 cubic feet
D. 5,600 cubic feet Correct Answer B. 2800 cubic ft
(10x14x20)
A rate is a measure of something to a fixed unit such as
time. What is tonnage?
A. Time
B. BTU's
,C. Heat transfer in BTU's per time
D. Heat transfer in PSIG per time Correct Answer C. Heat
transfer in BTU's per time
A home air-conditioner is rated to remove 24,000 BTUs in
one hour. What is the tonnage rating?
A. 1 Ton
B. 2 Ton
C. 3 Ton
D. 4 Ton Correct Answer B. 2 Ton. (12,000 BTUs equals
one hour. 12,000 x 2 = 24,000 BTU's = 2 ton)
Compressors pump vapor only and they are sized by what
requirement?
A. CFM
B. GPM
C. MPH
D. KPH Correct Answer A. CFM (Cubic Feet per Minute)
Which is Not a secondary coolant?
A. Sodium Chloride
B. Calcium Chloride
C. Glycol
D. R-134a Correct Answer D. R-134a
What is a King Valve? Correct Answer First liquid manual
closing valve leaving the HPR (High Pressure Receiver)
, Calculate the compression ratio for the following
information:
Suction Pressure: 33 PSIG Discharge Pressure: 181 PSIG
Suction temp: 27° F Discharge Temp: 178° F
Motor Amps: 55 Oil Pressure: 44 PSID Correct Answer
4.10:1 (to convert add 14.7 to both Suction and Discharge
Pressure and divide)
What pressure scale must be used to calculate a
compression ratio? Correct Answer PSIA
When should you track oil in a refrigeration system?
Correct Answer When it is added and removed
How many groups of halocarbons are there? Correct
Answer 3 Groups
Zeotropic and Azeotropic or types of refrigerants that are
considered to be? Correct Answer Blends or mixtures.
Air (non-condensable gas) in an Ammonia system will not
cause what? Correct Answer Lower suction pressure.
To put a solenoid in AUTO, it's Stem must be screwed
_____________. Correct Answer Depends on
manufacturer and model.
What should an Operator have the ability to do from
outside the doors to the engine room? Correct Answer
