EPA 608 EXAM QUIZ BANK 2026/2027
LATEST UPDATE!! (QUESTIONS AND
100% CORRECT VERIFIED ANSWERS)
QUESTION
In case of a major refrigerant leak, what actions should be taken?
a. Stop the leak
b. Close any valves
c. Turn off any open flames
d. Immediately vacate and ventilate the area or use Self Contained Breathing Apparatus (SCBA).
Answer:
d. Immediately vacate and ventilate the area or use Self Contained Breathing Apparatus (SCBA).
QUESTION
What types of cylinders can be used for recovery and how can you visually
identify them?
a. Nitrogen marked nitrogen
b. Cylinders of the appropriate color for the refrigerant being used
c. Cylinders marked "RECOVERY"
d. Yellow tops and gray bodies
Answer:
d. Yellow tops and gray bodies
QUESTION
How often should refillable cylinders be hydrostatically tested?
a. Every 5 years
b. Every 3 years
c. Every 2 years
d. Every year
Answer:
a. Every 5 years
,QUESTION
What must be done to a cylinder (disposable or refillable) before scrapping it?
a. Mark the Cylinder "Not For Reuse"
b. Completely evacuated of all refrigerants and have a pressure of 0 psig or lower
c. Completely evacuated of all refrigerants and have a pressure of 10 psig or lower
d. Completely evacuated of all refrigerants and have a pressure of 15 psig or lower
Answer:
b. Completely evacuated of all refrigerants and have a pressure of 0 psig or lower
QUESTION
Why shouldn't you fill cylinders above 80% of their capacity by weight?
a. It takes too much time to top off the tank.
b. Overfilled cylinders may rise in internal pressure when exposed to heat, resulting in an
explosion
c. a and b
d. None of the above
Answer:
b. Overfilled cylinders may rise in internal pressure when exposed to heat, resulting in an
explosion
QUESTION
What can happen if cylinders are exposed to flames or excessive heat?
a. May cause the cylinder to explode
b. It may change the state of the refrigerant into a toxic material
c. The added pressure may cause the cylinder to leak refrigerant.
d. All the above
Answer:
d. All the above
QUESTION
, What are the ways you can control the fill level of a refillable cylinder?
a. Mechanical float devices
b. Electronic float devices
c. Weight
d. All the above
Answer:
d. All the above
QUESTION
In what position should cylinders be shipped?
a. Nested in a vertical cradle
b. Upright position
c. Stacked in vertical, bundled and strapped on a pallet
d. All the above
Answer:
b. Upright position
QUESTION
What type of DOT tag is required for shipping refrigerant cylinders?
a. DOT classification tag indicating it is a "2.2 non-flammable gas"
b. DOT classification tag indicating it is a "high pressure gas"
c. DOT classification tag indicating it is a "refrigerant gas"
d. DOT classification tag indicating it is a "liquid refrigerant"
Answer:
a. DOT classification tag indicating it is a "2.2 non-flammable gas"
QUESTION
A cylinder label must contain what type of information about the refrigerant?
a. Weight of refrigerant
b. Type and amount of refrigerant
c. Pressure of cylinder
d. None of the above
, Answer:
b. Type and amount of refrigerant
QUESTION
TXV valve maintaining the pressure difference between and of the system
Evaporator, Compressor
Condenser, Evaporator
Expansion valve, Evaporator
Compressor, Condenser
Answer:
Condenser, Evaporator
QUESTION
Only refrigerant can be transferred or sold to another individual
Recycled
Recovered
Disposed
Reclaimed
Answer:
Reclaimed
QUESTION
A violation of the Clean Air Act, including improper record keeping, is subject to a penalty of a
fine of up to per day per violation:
$37,500
$24,000
$35,000
$40,000
Answer:
$37,500
LATEST UPDATE!! (QUESTIONS AND
100% CORRECT VERIFIED ANSWERS)
QUESTION
In case of a major refrigerant leak, what actions should be taken?
a. Stop the leak
b. Close any valves
c. Turn off any open flames
d. Immediately vacate and ventilate the area or use Self Contained Breathing Apparatus (SCBA).
Answer:
d. Immediately vacate and ventilate the area or use Self Contained Breathing Apparatus (SCBA).
QUESTION
What types of cylinders can be used for recovery and how can you visually
identify them?
a. Nitrogen marked nitrogen
b. Cylinders of the appropriate color for the refrigerant being used
c. Cylinders marked "RECOVERY"
d. Yellow tops and gray bodies
Answer:
d. Yellow tops and gray bodies
QUESTION
How often should refillable cylinders be hydrostatically tested?
a. Every 5 years
b. Every 3 years
c. Every 2 years
d. Every year
Answer:
a. Every 5 years
,QUESTION
What must be done to a cylinder (disposable or refillable) before scrapping it?
a. Mark the Cylinder "Not For Reuse"
b. Completely evacuated of all refrigerants and have a pressure of 0 psig or lower
c. Completely evacuated of all refrigerants and have a pressure of 10 psig or lower
d. Completely evacuated of all refrigerants and have a pressure of 15 psig or lower
Answer:
b. Completely evacuated of all refrigerants and have a pressure of 0 psig or lower
QUESTION
Why shouldn't you fill cylinders above 80% of their capacity by weight?
a. It takes too much time to top off the tank.
b. Overfilled cylinders may rise in internal pressure when exposed to heat, resulting in an
explosion
c. a and b
d. None of the above
Answer:
b. Overfilled cylinders may rise in internal pressure when exposed to heat, resulting in an
explosion
QUESTION
What can happen if cylinders are exposed to flames or excessive heat?
a. May cause the cylinder to explode
b. It may change the state of the refrigerant into a toxic material
c. The added pressure may cause the cylinder to leak refrigerant.
d. All the above
Answer:
d. All the above
QUESTION
, What are the ways you can control the fill level of a refillable cylinder?
a. Mechanical float devices
b. Electronic float devices
c. Weight
d. All the above
Answer:
d. All the above
QUESTION
In what position should cylinders be shipped?
a. Nested in a vertical cradle
b. Upright position
c. Stacked in vertical, bundled and strapped on a pallet
d. All the above
Answer:
b. Upright position
QUESTION
What type of DOT tag is required for shipping refrigerant cylinders?
a. DOT classification tag indicating it is a "2.2 non-flammable gas"
b. DOT classification tag indicating it is a "high pressure gas"
c. DOT classification tag indicating it is a "refrigerant gas"
d. DOT classification tag indicating it is a "liquid refrigerant"
Answer:
a. DOT classification tag indicating it is a "2.2 non-flammable gas"
QUESTION
A cylinder label must contain what type of information about the refrigerant?
a. Weight of refrigerant
b. Type and amount of refrigerant
c. Pressure of cylinder
d. None of the above
, Answer:
b. Type and amount of refrigerant
QUESTION
TXV valve maintaining the pressure difference between and of the system
Evaporator, Compressor
Condenser, Evaporator
Expansion valve, Evaporator
Compressor, Condenser
Answer:
Condenser, Evaporator
QUESTION
Only refrigerant can be transferred or sold to another individual
Recycled
Recovered
Disposed
Reclaimed
Answer:
Reclaimed
QUESTION
A violation of the Clean Air Act, including improper record keeping, is subject to a penalty of a
fine of up to per day per violation:
$37,500
$24,000
$35,000
$40,000
Answer:
$37,500
