GCAP BOOK QUESTIONS &
ANSWERS CORRECT 100%
1% concentration of ammonia is equal to what in parts per million - ANSWER10,000
ppm
1/2 % of ammonia is it deadly concentration - ANSWERTrue (5,000)ppm
Ammonia is what on the pH scale - ANSWER11.6
How are temperature and heat related - ANSWERTemperature is a measure of the
intensity of the heat in an object
What causes liquid SluggIng - ANSWERThe compressor drawing in lubricating oil
from the suction line, the compressor drawing in liquid ammonia from the suction
line, a rapid lowering of suction pressure at the compressor, drawing in lubrication oil
or ammonia.
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 -
ANSWER15%
Compressors are sized based on what requirement? - ANSWERCFM requirement
What is fluid friction or vapor resistance - ANSWERThe loss of pressure as the
liquid/vapor interacts with inner walls of the pipe
More than 100 pounds release of NH3 in 24 hours is a reportable for release . -
ANSWERTrue
There are four primary types of injury with exposure to liquid ammonia. Please list all
4 - ANSWERDehydration burn ,chemical burn ,thermal burn ,respiratory burn
Ammonia causes cancer - ANSWERFalse
If ammonia, in liquid form, makes its way in to the eyes There is usually damage that
is non- reversible resulting in blindness - ANSWERTrue
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. - ANSWER15
minutes , 30 minutes
Do you ever want to put liquid water on liquid ammonia when the refrigerant is that
atmospheric conditions - ANSWERNo
, Can you not down an ammonia vapor cloud pet atmospheric conditions using water.
- ANSWERYes
PEL (permissible exposure limits ). for ammonia, set forth by the federal OSHA, is
how many ppm - ANSWER50 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 - ANSWERTrue
The IDLH ( immediately danger to life and health ) for ammonia, set forth by Ocieo,
is how many ppm - ANSWER300 ppm
LEL lower exposure limits starts around what percentage - ANSWER15%
UEL upper explosive limits ends around what percentage range - ANSWER28%
The fuel range for pure ammonia is 15% to 28% ammonia, the remaining
concentration air. - ANSWERThe 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 - ANSWERYes
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?
- ANSWERNo
Should you proceed through invisible cloud of ammonia - ANSWERNo
If you see a green diamond what's the number 1005 on the transportation vehicle,
what is inside the tank. - ANSWERAmmonia
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? - ANSWERSulfur
stick, pH paper
Hydrostatic expansion will increase pressure how much per degree Fahrenheit heat
exposure for ammonia - ANSWER100/150 psi
Figure out the volume of this room. Length is 10 feet, width is 14 feet, and Height is
20 feet. - ANSWER10×14×20 = 2800 cubic ft
A rate is a measure of something to a fixture units such as time. What is tonnage? -
ANSWERHeat transfer in BTUs per time.
Hey home air-conditioner is rated to remove 48,000 BTUs in one hour. What is the
tonnage rating? - ANSWER4 ton.12,000 bTUs equals one hour. 12,000×4 = 48,000
BTU's =4 ton
ANSWERS CORRECT 100%
1% concentration of ammonia is equal to what in parts per million - ANSWER10,000
ppm
1/2 % of ammonia is it deadly concentration - ANSWERTrue (5,000)ppm
Ammonia is what on the pH scale - ANSWER11.6
How are temperature and heat related - ANSWERTemperature is a measure of the
intensity of the heat in an object
What causes liquid SluggIng - ANSWERThe compressor drawing in lubricating oil
from the suction line, the compressor drawing in liquid ammonia from the suction
line, a rapid lowering of suction pressure at the compressor, drawing in lubrication oil
or ammonia.
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 -
ANSWER15%
Compressors are sized based on what requirement? - ANSWERCFM requirement
What is fluid friction or vapor resistance - ANSWERThe loss of pressure as the
liquid/vapor interacts with inner walls of the pipe
More than 100 pounds release of NH3 in 24 hours is a reportable for release . -
ANSWERTrue
There are four primary types of injury with exposure to liquid ammonia. Please list all
4 - ANSWERDehydration burn ,chemical burn ,thermal burn ,respiratory burn
Ammonia causes cancer - ANSWERFalse
If ammonia, in liquid form, makes its way in to the eyes There is usually damage that
is non- reversible resulting in blindness - ANSWERTrue
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. - ANSWER15
minutes , 30 minutes
Do you ever want to put liquid water on liquid ammonia when the refrigerant is that
atmospheric conditions - ANSWERNo
, Can you not down an ammonia vapor cloud pet atmospheric conditions using water.
- ANSWERYes
PEL (permissible exposure limits ). for ammonia, set forth by the federal OSHA, is
how many ppm - ANSWER50 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 - ANSWERTrue
The IDLH ( immediately danger to life and health ) for ammonia, set forth by Ocieo,
is how many ppm - ANSWER300 ppm
LEL lower exposure limits starts around what percentage - ANSWER15%
UEL upper explosive limits ends around what percentage range - ANSWER28%
The fuel range for pure ammonia is 15% to 28% ammonia, the remaining
concentration air. - ANSWERThe 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 - ANSWERYes
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?
- ANSWERNo
Should you proceed through invisible cloud of ammonia - ANSWERNo
If you see a green diamond what's the number 1005 on the transportation vehicle,
what is inside the tank. - ANSWERAmmonia
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? - ANSWERSulfur
stick, pH paper
Hydrostatic expansion will increase pressure how much per degree Fahrenheit heat
exposure for ammonia - ANSWER100/150 psi
Figure out the volume of this room. Length is 10 feet, width is 14 feet, and Height is
20 feet. - ANSWER10×14×20 = 2800 cubic ft
A rate is a measure of something to a fixture units such as time. What is tonnage? -
ANSWERHeat transfer in BTUs per time.
Hey home air-conditioner is rated to remove 48,000 BTUs in one hour. What is the
tonnage rating? - ANSWER4 ton.12,000 bTUs equals one hour. 12,000×4 = 48,000
BTU's =4 ton
