GCAP BOOK & GCAP OPERATOR 1 NEW STUDY SET WITH
COMPLETE SOLUTIONS 2026-2027!!
1% concentration of ammonia is equal to what in parts per million - ANSWER
10,000 ppm
1/2 % of ammonia is it deadly concentration - ANSWER True (5,000)ppm
Ammonia is what on the pH scale - ANSWER 11.6
More than 100 pounds release of NH3 in 24 hours is a reportable for release . -
ANSWER True
There are four primary types of injury with exposure to liquid ammonia. Please
list all 4 - ANSWER Dehydration burn ,chemical burn ,thermal burn ,respiratory
burn
Ammonia causes cancer - ANSWER False
If ammonia, in liquid form, makes its way in to the eyes There is usually damage
that is non- reversible resulting in blindness - ANSWER True
Most MSDS sheets require a rinse flush to the body eyes for a minimum of how
many minutes when dealing with the chemical Donya ammonia. - ANSWER 15
minutes , 30 minutes
Do you ever want to put liquid water on liquid ammonia when the refrigerant is
that atmospheric conditions - ANSWER No
Can you not down an ammonia vapor cloud pet atmospheric conditions using
water. - ANSWER Yes
PEL (permissible exposure limits ). for ammonia, set forth by the federal OSHA, is
how many ppm - ANSWER 50 ppm
PEL for ammonia tells another prayer that he must put on an ammonia rated
respirator with cartridges if they wanted to stay in that atmosphere - ANSWER
True
The IDLH ( immediately danger to life and health ) for ammonia, set forth by
Ocieo, is how many ppm - ANSWER 300 ppm
LEL lower exposure limits starts around what percentage - ANSWER 15%
,UEL upper explosive limits ends around what percentage range - ANSWER 28%
The fuel range for pure ammonia is 15% to 28% ammonia, the remaining
concentration air. - ANSWER The fuel range for pier ammonia is 15% to 28%
ammonia, the remaining concentration Air
Can oil mixed with ammonium increased risk of fire if released in the mission
source is present - ANSWER Yes
According to OSHA's book 29 CFR Code of Federal Regulations, part 1910.134,
should an operator wear contact lenses when dealing with the refrigerant
ammonia? - ANSWER No
Should you proceed through invisible cloud of ammonia - ANSWER No
If you see a green diamond what's the number 1005 on the transportation vehicle,
what is inside the tank. - ANSWER Ammonia
What is the fire diamond rating for pure ammonia? - ANSWER ( Health 3 Color
blue ), fire 3 Color red , reactivity 0 Color yellow
What are the two primary ways of finding small leaks for ammonia? - ANSWER
Sulfur stick, pH paper
Hydrostatic expansion will increase pressure how much per degree Fahrenheit
heat exposure for ammonia - ANSWER 100/150 psi
Figure out the volume of this room. Length is 10 feet, width is 14 feet, and Height
is 20 feet. - ANSWER 10×14×20 = 2800 cubic ft
A rate is a measure of something to a fixture units such as time. What is
tonnage? - ANSWER Heat transfer in BTUs per time.
Hey home air-conditioner is rated to remove 48,000 BTUs in one hour. What is the
tonnage rating? - ANSWER 4 ton.12,000 bTUs equals one hour. 12,000×4 = 48,000
BTU's =4 ton
What pressure scale must be used to calculate a compression ratio? - ANSWER
PSIA
When should you track oil in a refrigeration system? - ANSWER When it is added
and removed
How many groups of halocarbons are there? - ANSWER 3
,Zerotropic and Azeotropic or types of refrigerants that are considered to be? -
ANSWER Blends or mixtures.
Air noncondensible gas in an ammonia system will not cause what? - ANSWER
Lower suction pressure.
To put a solenoid in auto, it's Stem must be screwed _____________. - ANSWER
Depends on manufacturer and model.
It takes approximately 561 BTUs of energy to convert 1 pound of ammonia
saturated liquid to a saturated gas. - ANSWER It takes approximately 561 BTUs of
energy to convert 1 pound of ammonia satutated liquid to a saturated gas.
It takes approximately 970 BTUs of energy to evaporate 1 pound of water at 212°F
to steam at 212°F - ANSWER It takes approximately 970 BTUs of energy to
evaporate 1 pound of water at 212°F to steam at 212°F
It takes approximately 144 BTU exchange to melt or freeze 1 pound of ice/water at
32°F - ANSWER It takes approximately 140 BTU exchange to melt or freeze 1
pound of ice/water at 32 degrees Fahrenheit
Proximately how many BTUs does it take to convert 1 pound of saturated liquid
ammonia to 1 pound of saturated gas? - ANSWER 561 BTUs
Approximately how many BTUs does it take to convert 1 pound of liquid water at
212°F to steam at 212 degrees Fahrenheit - ANSWER 970 BTUs
Approximately how many BTUs does it take to melt 1 pound of ice to water at
32°F - ANSWER 144 BTUs
And example of how I love lamp works would be an example of what type of heat
transfer? - ANSWER Radiant, conduction, convection.
The glow of the sun would be an example of what type of heat transfer? -
ANSWER Radiation
If you touch the hot ceramic coffee mug with your bare hands, this would be an
example of what type of heat transfer? - ANSWER Conduction.
56°F is equal to what in Celsius? - ANSWER C=(F-32) / 1.8 56 -32 =24/1.8=13.3
What is specific heat (Cp)? - ANSWER It is the exact amount of heat that must be
transferred to change 1 pound of a substance by 1°F
What is sensible heat? - ANSWER Heat transfer causing a change in temperature
but not a change in state.
, What is latent heat? - ANSWER Heat transfer that does not change temperature
but changes state.
Changing the pressure upon refrigerant changes? - ANSWER Boiling and
condensing temperature.
Is 10 PSIG a greater pressure within 10 PSIA - ANSWER Yes by 14.7 psi
If you say a refrigerant is subcooled, you are saying it is at a temperature below it
saturation point and a _______________? - ANSWER Liquid only.
If you see a refrigerant is superheated, you are saying it is at a temperature above
saturation point a ______________? - ANSWER Gas only.
If you see a refrigerant is saturated, you are seeing there is _________________? -
ANSWER Gas and liquid combination.
Where should I superheated gases exist in all refrigeration systems? - ANSWER
Inlet of compressor.
There is considered to be for major components of refrigeration system, such as
the compressor, condenser, expansion device, and evaporator. What are two
other components that are just as critical as the four steps of refrigeration? -
ANSWER Piping and refrigerant
The four basic components creates four sections of pressure in refrigerant state
liquid/gas. Where is the worst place to have a leak? - ANSWER Highside liquid
The compressor controls low side boiling temperature by controlling? - ANSWER
Pressure.
A compressor is considered a? - ANSWER Volume reducer.
A condenser converts the refrigerant from __________to______________ when it
removes heat. - ANSWER Gas to liquid
The metering our expansion valve controls? - ANSWER Flow.
To classify metering valve as an actual expansion valve what must happen
across the valve? - ANSWER Pressure drop, temperature drop, increasing
velocity.
Evaporators can be coolers, freezers, blast freezers, ice machines etc., what is
one of the common application to them all as the refrigerant absorbs the heat? -
ANSWER Convert liquid to gas by absorbing heat.
COMPLETE SOLUTIONS 2026-2027!!
1% concentration of ammonia is equal to what in parts per million - ANSWER
10,000 ppm
1/2 % of ammonia is it deadly concentration - ANSWER True (5,000)ppm
Ammonia is what on the pH scale - ANSWER 11.6
More than 100 pounds release of NH3 in 24 hours is a reportable for release . -
ANSWER True
There are four primary types of injury with exposure to liquid ammonia. Please
list all 4 - ANSWER Dehydration burn ,chemical burn ,thermal burn ,respiratory
burn
Ammonia causes cancer - ANSWER False
If ammonia, in liquid form, makes its way in to the eyes There is usually damage
that is non- reversible resulting in blindness - ANSWER True
Most MSDS sheets require a rinse flush to the body eyes for a minimum of how
many minutes when dealing with the chemical Donya ammonia. - ANSWER 15
minutes , 30 minutes
Do you ever want to put liquid water on liquid ammonia when the refrigerant is
that atmospheric conditions - ANSWER No
Can you not down an ammonia vapor cloud pet atmospheric conditions using
water. - ANSWER Yes
PEL (permissible exposure limits ). for ammonia, set forth by the federal OSHA, is
how many ppm - ANSWER 50 ppm
PEL for ammonia tells another prayer that he must put on an ammonia rated
respirator with cartridges if they wanted to stay in that atmosphere - ANSWER
True
The IDLH ( immediately danger to life and health ) for ammonia, set forth by
Ocieo, is how many ppm - ANSWER 300 ppm
LEL lower exposure limits starts around what percentage - ANSWER 15%
,UEL upper explosive limits ends around what percentage range - ANSWER 28%
The fuel range for pure ammonia is 15% to 28% ammonia, the remaining
concentration air. - ANSWER The fuel range for pier ammonia is 15% to 28%
ammonia, the remaining concentration Air
Can oil mixed with ammonium increased risk of fire if released in the mission
source is present - ANSWER Yes
According to OSHA's book 29 CFR Code of Federal Regulations, part 1910.134,
should an operator wear contact lenses when dealing with the refrigerant
ammonia? - ANSWER No
Should you proceed through invisible cloud of ammonia - ANSWER No
If you see a green diamond what's the number 1005 on the transportation vehicle,
what is inside the tank. - ANSWER Ammonia
What is the fire diamond rating for pure ammonia? - ANSWER ( Health 3 Color
blue ), fire 3 Color red , reactivity 0 Color yellow
What are the two primary ways of finding small leaks for ammonia? - ANSWER
Sulfur stick, pH paper
Hydrostatic expansion will increase pressure how much per degree Fahrenheit
heat exposure for ammonia - ANSWER 100/150 psi
Figure out the volume of this room. Length is 10 feet, width is 14 feet, and Height
is 20 feet. - ANSWER 10×14×20 = 2800 cubic ft
A rate is a measure of something to a fixture units such as time. What is
tonnage? - ANSWER Heat transfer in BTUs per time.
Hey home air-conditioner is rated to remove 48,000 BTUs in one hour. What is the
tonnage rating? - ANSWER 4 ton.12,000 bTUs equals one hour. 12,000×4 = 48,000
BTU's =4 ton
What pressure scale must be used to calculate a compression ratio? - ANSWER
PSIA
When should you track oil in a refrigeration system? - ANSWER When it is added
and removed
How many groups of halocarbons are there? - ANSWER 3
,Zerotropic and Azeotropic or types of refrigerants that are considered to be? -
ANSWER Blends or mixtures.
Air noncondensible gas in an ammonia system will not cause what? - ANSWER
Lower suction pressure.
To put a solenoid in auto, it's Stem must be screwed _____________. - ANSWER
Depends on manufacturer and model.
It takes approximately 561 BTUs of energy to convert 1 pound of ammonia
saturated liquid to a saturated gas. - ANSWER It takes approximately 561 BTUs of
energy to convert 1 pound of ammonia satutated liquid to a saturated gas.
It takes approximately 970 BTUs of energy to evaporate 1 pound of water at 212°F
to steam at 212°F - ANSWER It takes approximately 970 BTUs of energy to
evaporate 1 pound of water at 212°F to steam at 212°F
It takes approximately 144 BTU exchange to melt or freeze 1 pound of ice/water at
32°F - ANSWER It takes approximately 140 BTU exchange to melt or freeze 1
pound of ice/water at 32 degrees Fahrenheit
Proximately how many BTUs does it take to convert 1 pound of saturated liquid
ammonia to 1 pound of saturated gas? - ANSWER 561 BTUs
Approximately how many BTUs does it take to convert 1 pound of liquid water at
212°F to steam at 212 degrees Fahrenheit - ANSWER 970 BTUs
Approximately how many BTUs does it take to melt 1 pound of ice to water at
32°F - ANSWER 144 BTUs
And example of how I love lamp works would be an example of what type of heat
transfer? - ANSWER Radiant, conduction, convection.
The glow of the sun would be an example of what type of heat transfer? -
ANSWER Radiation
If you touch the hot ceramic coffee mug with your bare hands, this would be an
example of what type of heat transfer? - ANSWER Conduction.
56°F is equal to what in Celsius? - ANSWER C=(F-32) / 1.8 56 -32 =24/1.8=13.3
What is specific heat (Cp)? - ANSWER It is the exact amount of heat that must be
transferred to change 1 pound of a substance by 1°F
What is sensible heat? - ANSWER Heat transfer causing a change in temperature
but not a change in state.
, What is latent heat? - ANSWER Heat transfer that does not change temperature
but changes state.
Changing the pressure upon refrigerant changes? - ANSWER Boiling and
condensing temperature.
Is 10 PSIG a greater pressure within 10 PSIA - ANSWER Yes by 14.7 psi
If you say a refrigerant is subcooled, you are saying it is at a temperature below it
saturation point and a _______________? - ANSWER Liquid only.
If you see a refrigerant is superheated, you are saying it is at a temperature above
saturation point a ______________? - ANSWER Gas only.
If you see a refrigerant is saturated, you are seeing there is _________________? -
ANSWER Gas and liquid combination.
Where should I superheated gases exist in all refrigeration systems? - ANSWER
Inlet of compressor.
There is considered to be for major components of refrigeration system, such as
the compressor, condenser, expansion device, and evaporator. What are two
other components that are just as critical as the four steps of refrigeration? -
ANSWER Piping and refrigerant
The four basic components creates four sections of pressure in refrigerant state
liquid/gas. Where is the worst place to have a leak? - ANSWER Highside liquid
The compressor controls low side boiling temperature by controlling? - ANSWER
Pressure.
A compressor is considered a? - ANSWER Volume reducer.
A condenser converts the refrigerant from __________to______________ when it
removes heat. - ANSWER Gas to liquid
The metering our expansion valve controls? - ANSWER Flow.
To classify metering valve as an actual expansion valve what must happen
across the valve? - ANSWER Pressure drop, temperature drop, increasing
velocity.
Evaporators can be coolers, freezers, blast freezers, ice machines etc., what is
one of the common application to them all as the refrigerant absorbs the heat? -
ANSWER Convert liquid to gas by absorbing heat.
