ANSWERS 100% CORRECT
I% concentration of Ammonia is equal to what in Parts per Million (PPM)?
A) 10 PPM
B) 100 PPM
C) 1,000 PPM
D) 10,000 PPM - ANSWERD) 10,000 PPM
T or F?
1/2% of Ammonia is a deadly concentration. - ANSWERTrue
An Ammonia liquid line has liquid trapped and it's temp is starting to rise. How much
will the PSIG pressure rise for every 1°F of heat exposure?
A) 10 to 20 PSI
B) 100 to 150 PSI
C) 75 to 90 PSI
D) 5 to 15 PSI - ANSWERB) 100 to 150 PSI
T or F?
Ammonia is on the EPA toxic chemical list. - ANSWERTrue
A high pressure cut out switch...
A) Should only be jumped to stay in operation for the day
B) Only happens when you start up in the morning, and causes no dangers
C) Should never be jumped
D) None of the above - ANSWERC) Should never be jumped
(should always be in working condition)
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
D) None of the above - ANSWERC) Depends on the manufacture and model
What should an operator have the ability to do from outside the doors of the engine
room?
A) Initiate the emergency shut down switches for the machinery room
B) Activate the emergency exhaust fans for the machinery room
C) Monitor the refrigeration system digitally
D) Both A and B - ANSWERD) Both A and B
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 - ANSWERA) 561 BTU's
Ammonia is what on the pH Scale?
A) 3.7
B) 5.2
C) 7.0
D) 11.6 - ANSWERD) 11.6
T or F?
More than a 100lbs release of NH3 in 24 hours is a reportable release -
ANSWERTrue
There are four primary types of injury/burns with exposure to liquid Ammonia. Please
list all four. - ANSWER1. Caustic Burn
2. Thermal Burn
3. Dehydration Burn
4. Respiratory
T or F?
Ammonia causes cancer. - ANSWERFalse
T or F?
If Ammonia, in liquid form, makes its way into your eyes there is usually damage that
is irreversible resulting in blindness. - ANSWERTrue
Most SDS sheets require a rinse/flush to body/eyes for a minimum of how many
minutes when dealing with Ammonia?
A) 2 Minutes
B) 5 Minutes
C) 10 Minutes
D) 15 Minutes - ANSWERD) 15 Minutes
Do you ever want to put liquid water on liquid Ammonia when the refrigerant is at
atmospheric conditions? (Yes or No) - ANSWERNo
Can you knock down an Ammonia vapor cloud at atmospheric conditions using
water? (Yes or No) - ANSWERYes
PEL (Permissible Exposure Limit) for Ammonia, set forth by OSHA, is how many
PPM?
A) 10 PPM
B) 50 PPM
C) 300 PPM
D) 1,000 PPM - ANSWERB) 50 PPM
T or F?
, PEL for Ammonia tells an operator that they must put on an Ammonia rated
respirator with cartridges if they wanted to stay in that atmosphere. - ANSWERTrue
IDLH (Immediately Dangerous To Life And Health) for Ammonia, set forth by OSHA,
is how many PPM?
A) 10 PPM
B) 50 PPM
C) 300 PPM
D) 1,000 PPM - ANSWERC) 300 PPM
LEL (Lower Explosive Limit) starts around what percentage? - ANSWER15%
UEL (Upper Explosive Limit) ends around what percentage? - ANSWER28%
The fuel range for pure Ammonia is _____% to _____% - ANSWER15% to 28%
Can oil mixed with Ammonia increase the risk of a fire if released and an ignition
source is present? (Yes or No) - ANSWERYes
According to OSHA's book 29CFR (Code of Federal Regulations) Part 1910.134,
should an operator wear contact lenses when dealing with the refrigerant Ammonia?
(Yes or No) - ANSWERNo
Should you proceed through a visible cloud of Ammonia? (Yes or No) - ANSWERNo
If you see a green diamond with the number 1005 on a transportation vehicle, what
is inside the tank?
A) Carbon Dioxide
B) Ammonia
C) Propane
D) Natural Gas - ANSWERB) Ammonia
What is the fire diamond rating for pure Ammonia?
Health#:________ Color:_______
Fire#:________ Color:________
Reactivity#:_______ Color:________ - ANSWERHealth#:___3_____
Color:__Blue_____
Fire#:___1_____ Color:__Red______
Reactivity#:___0____ Color:___Yellow_____
What are the two primary ways of finding small leaks for Ammonia? -
ANSWERSulfur Sticks and Litmus Paper
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 - ANSWERC) 100 - 150 PSI