1|Page
GCAP Operator 1 Exam Latest 2025 Actual Exam|
Complete Questions and Correct Verified Answers/
Already Graded A+ (Brand New!!)
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 removed 24,000 BTU's in 1 hour?
What is its tonnage rating?
A) 1 ton
B) 2 ton
C) 3 ton
D) 4 ton - Correct Answer - B) 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)
pg. 1
,2|Page
Which is not a secondary coolant?
A) Sodium Chloride
B) Calcium Chloride
C) Glycol
D) R-134a - Correct Answer - D) R-134a
What pressure scale must be used to calculate Compression Ratio?
A) PSIG
B) PSIA
C) BARa
D) Any of the above - Correct Answer - B) PSIA
When should you track oil in a refrigeration system?
A) When it is added only
B) When it is removed only
C) When it is added and removed
D) Never - Correct Answer - C) When it is added and removed
How many groups of halocarbons are there?
A) There are no groups
B) 2 groups
C) 3 groups
D) 4 groups - Correct Answer - C) 3 Groups
pg. 2
,3|Page
Chlorofluorocarbons (CFCs)
Hydro-Chlorofluorocarbons (HCFCs)
Hydro-Fluorocarbons (HFCs)
Zeotropic and Azeotropic are types of refrigerants that are considered to
be?
A) Blends or mixtures
B) Organic
C) Inorganic
D) Naturally occurring refrigerant - Correct Answer - A) Blends or
mixtures
Air (non-condensable gas) in an Ammonia system will NOT cause
what?
A) Increase in discharge pressure
B) Lowering suction pressure
C) A rise in compression ratio
D) Decreased efficiency - Correct Answer - B) Lowering suction
pressure
To put a solenoid in AUTO, its stem must be screwed _________
A) All the way in (clockwise)
B) All the way out (counter-clockwise)
C) Depends on the manufacture and model
pg. 3
, 4|Page
D) None of the above - Correct Answer - C) Depends on the
manufacture and model
Approximately how many BTU's does it take to convert 1 pound of
saturated liquid Ammonia to 1 pound of saturated gas?
A) 561 BTU's
B) 970 BTU's
C) 144 BTU's
D) 1.12 BTU's - Correct Answer - A) 561 BTU's
Approximately how many BTU's does it take to convert 1 pound of
liquid water at 212ºF to steam at 212ºF?
A) 561 BTU's
B) 970 BTU's
C) 144 BTU's
D) 1.12 BTU's - Correct Answer - B) 970 BTU's
Approximately how many BTU's does it take to melt 1 pound of ice to
water at 32ºF?
A) 561 BTU's
B) 970 BTU's
C) 144 BTU's
D) 1.12 BTU's - Correct Answer - C) 144 BTU's
pg. 4
GCAP Operator 1 Exam Latest 2025 Actual Exam|
Complete Questions and Correct Verified Answers/
Already Graded A+ (Brand New!!)
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 removed 24,000 BTU's in 1 hour?
What is its tonnage rating?
A) 1 ton
B) 2 ton
C) 3 ton
D) 4 ton - Correct Answer - B) 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)
pg. 1
,2|Page
Which is not a secondary coolant?
A) Sodium Chloride
B) Calcium Chloride
C) Glycol
D) R-134a - Correct Answer - D) R-134a
What pressure scale must be used to calculate Compression Ratio?
A) PSIG
B) PSIA
C) BARa
D) Any of the above - Correct Answer - B) PSIA
When should you track oil in a refrigeration system?
A) When it is added only
B) When it is removed only
C) When it is added and removed
D) Never - Correct Answer - C) When it is added and removed
How many groups of halocarbons are there?
A) There are no groups
B) 2 groups
C) 3 groups
D) 4 groups - Correct Answer - C) 3 Groups
pg. 2
,3|Page
Chlorofluorocarbons (CFCs)
Hydro-Chlorofluorocarbons (HCFCs)
Hydro-Fluorocarbons (HFCs)
Zeotropic and Azeotropic are types of refrigerants that are considered to
be?
A) Blends or mixtures
B) Organic
C) Inorganic
D) Naturally occurring refrigerant - Correct Answer - A) Blends or
mixtures
Air (non-condensable gas) in an Ammonia system will NOT cause
what?
A) Increase in discharge pressure
B) Lowering suction pressure
C) A rise in compression ratio
D) Decreased efficiency - Correct Answer - B) Lowering suction
pressure
To put a solenoid in AUTO, its stem must be screwed _________
A) All the way in (clockwise)
B) All the way out (counter-clockwise)
C) Depends on the manufacture and model
pg. 3
, 4|Page
D) None of the above - Correct Answer - C) Depends on the
manufacture and model
Approximately how many BTU's does it take to convert 1 pound of
saturated liquid Ammonia to 1 pound of saturated gas?
A) 561 BTU's
B) 970 BTU's
C) 144 BTU's
D) 1.12 BTU's - Correct Answer - A) 561 BTU's
Approximately how many BTU's does it take to convert 1 pound of
liquid water at 212ºF to steam at 212ºF?
A) 561 BTU's
B) 970 BTU's
C) 144 BTU's
D) 1.12 BTU's - Correct Answer - B) 970 BTU's
Approximately how many BTU's does it take to melt 1 pound of ice to
water at 32ºF?
A) 561 BTU's
B) 970 BTU's
C) 144 BTU's
D) 1.12 BTU's - Correct Answer - C) 144 BTU's
pg. 4
