EPA SECTION 608 TYPE 1,2 & 3 EXAM TEST BANK 2026: 190+
QUESTIONS AND 100% VERIFIED ANSWERS | GRADED A+ |
GUARANTEED PASS!!
A chiller containing 150 pounds of HCFC refrigerant is leaking above the leak rate
threshold. Unless granted additional time, what must be completed within 30 days?
A. Repair the appliance so that it leaks below the threshold and conduct the initial
verification test.
B. Retrofit the appliance to a different natural refrigerant approved by ASHRAE.
C. Document that all OEM replacement parts have been ordered.
D. Notify the EPA of the leak rate and the time required to complete the repair.
- answer-a. Repair the appliance so that it leaks below the threshold and conduct
the initial verification test.
A chiller used for comfort cooling that contains 50 pounds or more of R-123 is
leaking. Starting in 2019, at what leak rate does the EPA require that the
equipment be repaired?
A. 5%
B. 10%
C. 15%
D. 20%
- answer-b. 10%
A chiller with a charge of 200 pounds has passed the initial verification leak test.
When must a follow-up verification test be conducted?
A. The same day.
B. The next day.
C. Within 10 days.
D. Within 30 days.
- answer-c. Within 10 days.
A cold storage warehouse chooses not to repair an appliance containing R-22 that
is leaking above the threshold rate. How long can the facility continue to operate
that appliance before it must be retrofitted or retired, assuming no extensions
apply?
A. 1 month
B. 9 months
,C. 12 months
D. 24 months
- answer-c. 12 months
A comfort-cooling appliance containing 50 pounds or more of R-22 is found to be
leaking beyond the applicable leak rate threshold. Unless granted additional time,
how many days do you have to repair the leak and conduct the initial leak
verification test?
A. 1 day
B. 10 days
C. 30 days
D. 45 days
- answer-c. 30 days
A company uses a chiller that divers 55% of its cooling capacity to one of its
manufacturing lines and 45% of its cooling capacity to air condition the office
spaces. Which leak rate category would this chiller be in?
A. Industrial process refrigeration
B. Ice making refrigeration
C. Commercial refrigeration
D. Comfort cooling
- answer-a. Industrial process refrigeration
A customer has an industrial process refrigeration system that has 1000lbs of R-22
that has exceeded the applicable leak rate threshold. How often is the customer
required to perform a leak inspection?
A. Every month
B. Every 3 months
C. Every 6 months
D. Every 12 months
- answer-b. Every 3 months
A passive system-dependent recovery process for small appliances;
A. Still uses a pump to recover refrigerant.
B. Must use a pressure relief device when recovering refrigerant.
C. Captures refrigerant in a non-pressurized container.
D. Can only be performed on a system with an operating compressor.
- answer-c. Captures refrigerant in a non-pressurized container.
A rupture disc on a recovery vessel used for low-pressure refrigerants relieves at;
,A. 5 psig
B. 10 psig.
C. 15 psig
D. 20 psig
- answer-c. 15 psig
A standard vacuum pump designed specifically for evacuation and dehydration
can;
A. Be used alone as a self-contained (active) recovery device.
B. Never be used as a recovery device in combination with a pressurized container.
C. Be used alone as a substitute for any recovery device.
D. Be used alone as a system-dependent (passive) recovery device.
- answer-b. Never be used as a recovery device in combination with a pressurized
container.
A typical setting for the high-pressure cut-out control on a recovery unit used for
evacuating the refrigerant from a low-pressure chiller is;
A. 2 psig.
B. 5 psig.
C. 10 psig.
D. 15 psig.
- answer-c. 10 psig.
A very large refrigerant leak can cause suffocation because refrigerants;
A. Smell strong and make breathing difficult.
B. Are lighter than air and cause dizziness.
C. Are heavier than air and displace oxygen
D. Sting the nose and cause sneezing.
- answer-c. Are heavier than air and displace oxygen
According to ASHRAE Guideline 3, the system should be checked for leaks if
during a standard vacuum test the pressure in a system rises from 1 mm Hg to a
level above;
A. 1.5 mm Hg
B. 2.0 mm Hg
C. 2.5 mm Hg
D. 3.0 mm Hg
- answer-c. 2.5 mm Hg
, After a leak repair of a supermarket rack using 3000 lbs. Of R-22 and a successful
initial verification test, when must a follow-up leak verification test be conducted?
A. The same day.
B. The next day.
C. Within 10 days.
D. Within 30 days.
- answer-c. Within 10 days.
After installation of a field piped split system, the unit should first be pressurized
with?
A. Air and leak checked.
B. R-22 and leak checked.
C. R-410A and leak checked.
D. Nitrogen and leak checked.
- answer-d. Nitrogen and leak checked.
After installing and opening a piercing access valve, the recovery procedure cannot
begin if the system is at what pressure?
A. 75 psig
B. 50 psig
C. 30 psig
D. 0 psig
- answer-d. 0 psig
After refrigerant liquid has been recovered from the appliance, any remaining
vapor is;
A. Purged to the atmosphere.
B. Isolated in the appliance.
C. Pumped into appliance receiver.
D. Removed by the recovery system.
- answer-d. Removed by the recovery system.
After system servicing, and recharging, why is refrigerant vapor re-introduced to
the chiller before refrigerant liquid?
A. Vapor charging increases pressure slowly, preventing failure of the rupture disc.
B. Vapor charging is faster than liquid charging.
C. Liquid charging is more difficult to control than vapor charging.
D. Liquid charged into a deep vacuum will evaporate and may lower the
temperature and freeze the water in the heat exchanger tube bundle.
QUESTIONS AND 100% VERIFIED ANSWERS | GRADED A+ |
GUARANTEED PASS!!
A chiller containing 150 pounds of HCFC refrigerant is leaking above the leak rate
threshold. Unless granted additional time, what must be completed within 30 days?
A. Repair the appliance so that it leaks below the threshold and conduct the initial
verification test.
B. Retrofit the appliance to a different natural refrigerant approved by ASHRAE.
C. Document that all OEM replacement parts have been ordered.
D. Notify the EPA of the leak rate and the time required to complete the repair.
- answer-a. Repair the appliance so that it leaks below the threshold and conduct
the initial verification test.
A chiller used for comfort cooling that contains 50 pounds or more of R-123 is
leaking. Starting in 2019, at what leak rate does the EPA require that the
equipment be repaired?
A. 5%
B. 10%
C. 15%
D. 20%
- answer-b. 10%
A chiller with a charge of 200 pounds has passed the initial verification leak test.
When must a follow-up verification test be conducted?
A. The same day.
B. The next day.
C. Within 10 days.
D. Within 30 days.
- answer-c. Within 10 days.
A cold storage warehouse chooses not to repair an appliance containing R-22 that
is leaking above the threshold rate. How long can the facility continue to operate
that appliance before it must be retrofitted or retired, assuming no extensions
apply?
A. 1 month
B. 9 months
,C. 12 months
D. 24 months
- answer-c. 12 months
A comfort-cooling appliance containing 50 pounds or more of R-22 is found to be
leaking beyond the applicable leak rate threshold. Unless granted additional time,
how many days do you have to repair the leak and conduct the initial leak
verification test?
A. 1 day
B. 10 days
C. 30 days
D. 45 days
- answer-c. 30 days
A company uses a chiller that divers 55% of its cooling capacity to one of its
manufacturing lines and 45% of its cooling capacity to air condition the office
spaces. Which leak rate category would this chiller be in?
A. Industrial process refrigeration
B. Ice making refrigeration
C. Commercial refrigeration
D. Comfort cooling
- answer-a. Industrial process refrigeration
A customer has an industrial process refrigeration system that has 1000lbs of R-22
that has exceeded the applicable leak rate threshold. How often is the customer
required to perform a leak inspection?
A. Every month
B. Every 3 months
C. Every 6 months
D. Every 12 months
- answer-b. Every 3 months
A passive system-dependent recovery process for small appliances;
A. Still uses a pump to recover refrigerant.
B. Must use a pressure relief device when recovering refrigerant.
C. Captures refrigerant in a non-pressurized container.
D. Can only be performed on a system with an operating compressor.
- answer-c. Captures refrigerant in a non-pressurized container.
A rupture disc on a recovery vessel used for low-pressure refrigerants relieves at;
,A. 5 psig
B. 10 psig.
C. 15 psig
D. 20 psig
- answer-c. 15 psig
A standard vacuum pump designed specifically for evacuation and dehydration
can;
A. Be used alone as a self-contained (active) recovery device.
B. Never be used as a recovery device in combination with a pressurized container.
C. Be used alone as a substitute for any recovery device.
D. Be used alone as a system-dependent (passive) recovery device.
- answer-b. Never be used as a recovery device in combination with a pressurized
container.
A typical setting for the high-pressure cut-out control on a recovery unit used for
evacuating the refrigerant from a low-pressure chiller is;
A. 2 psig.
B. 5 psig.
C. 10 psig.
D. 15 psig.
- answer-c. 10 psig.
A very large refrigerant leak can cause suffocation because refrigerants;
A. Smell strong and make breathing difficult.
B. Are lighter than air and cause dizziness.
C. Are heavier than air and displace oxygen
D. Sting the nose and cause sneezing.
- answer-c. Are heavier than air and displace oxygen
According to ASHRAE Guideline 3, the system should be checked for leaks if
during a standard vacuum test the pressure in a system rises from 1 mm Hg to a
level above;
A. 1.5 mm Hg
B. 2.0 mm Hg
C. 2.5 mm Hg
D. 3.0 mm Hg
- answer-c. 2.5 mm Hg
, After a leak repair of a supermarket rack using 3000 lbs. Of R-22 and a successful
initial verification test, when must a follow-up leak verification test be conducted?
A. The same day.
B. The next day.
C. Within 10 days.
D. Within 30 days.
- answer-c. Within 10 days.
After installation of a field piped split system, the unit should first be pressurized
with?
A. Air and leak checked.
B. R-22 and leak checked.
C. R-410A and leak checked.
D. Nitrogen and leak checked.
- answer-d. Nitrogen and leak checked.
After installing and opening a piercing access valve, the recovery procedure cannot
begin if the system is at what pressure?
A. 75 psig
B. 50 psig
C. 30 psig
D. 0 psig
- answer-d. 0 psig
After refrigerant liquid has been recovered from the appliance, any remaining
vapor is;
A. Purged to the atmosphere.
B. Isolated in the appliance.
C. Pumped into appliance receiver.
D. Removed by the recovery system.
- answer-d. Removed by the recovery system.
After system servicing, and recharging, why is refrigerant vapor re-introduced to
the chiller before refrigerant liquid?
A. Vapor charging increases pressure slowly, preventing failure of the rupture disc.
B. Vapor charging is faster than liquid charging.
C. Liquid charging is more difficult to control than vapor charging.
D. Liquid charged into a deep vacuum will evaporate and may lower the
temperature and freeze the water in the heat exchanger tube bundle.
