GCAP Operator 1 exam questions and answers 2025(graded A+).

GCAP Operator 1 exam
questions and answers
2025(graded A+)
1% 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 - answer D) 10,000 PPM


T or F?
1/2% of Ammonia is a deadly concentration. - answer True


Ammonia is what on the pH Scale?
A) 3.7
B) 5.2
C) 7.0
D) 11.6 - answer D) 11.6


T or F?
More than a 100lbs release of NH3 in 24 hours is a reportable
release - answer True


There are four primary types of injury/burns with exposure to liquid
Ammonia. Please list all four. - answer 1. Caustic Burn
2. Thermal Burn

,3. Dehydration Burn
4. Respiratory


T or F?
Ammonia causes cancer. - answer False


T or F?
If Ammonia, in liquid form, makes its way into your eyes there is
usually damage that is irreversible resulting in blindness. - answer
True


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 - answer D) 15 Minutes


Do you ever want to put liquid water on liquid Ammonia when the
refrigerant is at atmospheric conditions? (Yes or No) - answer No


Can you knock down an Ammonia vapor cloud at atmospheric
conditions using water? (Yes or No) - answer Yes


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 - answer B) 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. - answer True


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 - answer C) 300 PPM


LEL (Lower Explosive Limit) starts around what percentage? -
answer 15%


UEL (Upper Explosive Limit) ends around what percentage? - answer
28%


The fuel range for pure Ammonia is _____% to _____% - answer 15% to
28%


Can oil mixed with Ammonia increase the risk of a fire if released
and an ignition source is present? (Yes or No) - answer Yes


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) - answer No


Should you proceed through a visible cloud of Ammonia? (Yes or No)
- answer No

, 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 - answer B) Ammonia


What is the fire diamond rating for pure Ammonia?
Health#:________ Color:_______
Fire#:________ Color:________
Reactivity#:_______ Color:________ - answer Health#:___3_____
Color:__Blue_____
Fire#:___1_____ Color:__Red______
Reactivity#:___0____ Color:___Yellow_____


What are the two primary ways of finding small leaks for Ammonia?
- answer Sulfur 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 - 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) 160 cubic feet