EPA-608 Type 2 Exam with Correct
Answers
Industrial process and refrigeration units with a 50 pound charge or more with an
annualized leak rate of _____ or more must have leaks repaired. - correct Answers-35%
Unless plans are made to replace a system exceeding the maximum leak, repairs must
be made in; - correct Answers-30 days
Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; - correct
Answers-type A- 1
All Refrigeration & HVAC systems are protected by a; - correct Answers-pressure relief
valve
A refrigerant sensor which will sound an alarm and automatically start a ventilation
system in occupied equipment rooms fall under; - correct Answers-ASHRAE 15
Non-condensables will cause; - correct Answers-higher discharge pressure
A crankcase heater is often used to prevent refrigerant from migrating to the oil during
periods of: - correct Answers-low ambient temperature
EPA regulations state that maintenance, service or repair involving the removal of the
following component is a "major repair" - correct Answers-compressor
What refrigerant can be used as a trace gas when checking for leaks? - correct
Answers-R410A
What can be done with the refrigerant trace gas and nitrogen after the leak is found? -
correct Answers-recover in a special tank
High pressure appliances can be evacuated to atmospheric pressure (O psig) when -
correct Answers-There is a leak
If a high pressure appliance containing 100 lbs. of an HCFC OTHER THAN R-22
refrigerant Recovery and/or Recycling equipment manufactured after November 15,
1993 must be evacuated to a level of; - correct Answers-10 inches of vacuum
When dehydrating a system it should be evacuated to a level of; - correct Answers-500
microns
Answers
Industrial process and refrigeration units with a 50 pound charge or more with an
annualized leak rate of _____ or more must have leaks repaired. - correct Answers-35%
Unless plans are made to replace a system exceeding the maximum leak, repairs must
be made in; - correct Answers-30 days
Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; - correct
Answers-type A- 1
All Refrigeration & HVAC systems are protected by a; - correct Answers-pressure relief
valve
A refrigerant sensor which will sound an alarm and automatically start a ventilation
system in occupied equipment rooms fall under; - correct Answers-ASHRAE 15
Non-condensables will cause; - correct Answers-higher discharge pressure
A crankcase heater is often used to prevent refrigerant from migrating to the oil during
periods of: - correct Answers-low ambient temperature
EPA regulations state that maintenance, service or repair involving the removal of the
following component is a "major repair" - correct Answers-compressor
What refrigerant can be used as a trace gas when checking for leaks? - correct
Answers-R410A
What can be done with the refrigerant trace gas and nitrogen after the leak is found? -
correct Answers-recover in a special tank
High pressure appliances can be evacuated to atmospheric pressure (O psig) when -
correct Answers-There is a leak
If a high pressure appliance containing 100 lbs. of an HCFC OTHER THAN R-22
refrigerant Recovery and/or Recycling equipment manufactured after November 15,
1993 must be evacuated to a level of; - correct Answers-10 inches of vacuum
When dehydrating a system it should be evacuated to a level of; - correct Answers-500
microns
