EPA 608 Type 2 Practice Exam
Industrial process and refrigeration units with a 50 pound charge or more with an annualized
leak rate of _____ or more must have leaks repaired. - ANS35
Unless plans are made to replace a system exceeding the maximum leak, repairs must be
made in; - ANS30 days
Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; - ANSa 1
All Refrigeration & HVAC systems are protected by a; - ANSpressure relief valve
A refrigerant sensor which will sound an alarm and automatically start a ventilation system in
occupied equipment rooms fall under; - ANSASHRAE Standard 15
Non-condensables will cause; - ANSHigh discharge pressure
A crankcase heater is often used to prevent refrigerant from migrating to the oil during periods
of: - ANSLow ambient temperature
EPA regulations state that maintenance, service or repair involving the removal of the following
component is a "major repair" - ANSPressure switch
Which of the following refrigerants is an HCFC? - ANSR-22
What can be done with the refrigerant trace gas and nitrogen after the leak is found? -
ANSRelease to the atmosphere.
High pressure appliances can be evacuated to atmospheric pressure (O psig) when; -
ANSThere 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; - ANS10 inches of vacuum
When dehydrating a system it should be evacuated to a level of; - ANS500 Microns
When recovering from a system with a refrigerant leak, recover to a level of; - ANS0 Psig
When using a recovery system manufactured after November 15, 1993 on a system containing
100 lbs. of R-502 must be evacuated to; - ANS10 inches of Mercury
Industrial process and refrigeration units with a 50 pound charge or more with an annualized
leak rate of _____ or more must have leaks repaired. - ANS35
Unless plans are made to replace a system exceeding the maximum leak, repairs must be
made in; - ANS30 days
Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; - ANSa 1
All Refrigeration & HVAC systems are protected by a; - ANSpressure relief valve
A refrigerant sensor which will sound an alarm and automatically start a ventilation system in
occupied equipment rooms fall under; - ANSASHRAE Standard 15
Non-condensables will cause; - ANSHigh discharge pressure
A crankcase heater is often used to prevent refrigerant from migrating to the oil during periods
of: - ANSLow ambient temperature
EPA regulations state that maintenance, service or repair involving the removal of the following
component is a "major repair" - ANSPressure switch
Which of the following refrigerants is an HCFC? - ANSR-22
What can be done with the refrigerant trace gas and nitrogen after the leak is found? -
ANSRelease to the atmosphere.
High pressure appliances can be evacuated to atmospheric pressure (O psig) when; -
ANSThere 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; - ANS10 inches of vacuum
When dehydrating a system it should be evacuated to a level of; - ANS500 Microns
When recovering from a system with a refrigerant leak, recover to a level of; - ANS0 Psig
When using a recovery system manufactured after November 15, 1993 on a system containing
100 lbs. of R-502 must be evacuated to; - ANS10 inches of Mercury
