ESCO Exam Questions and Answers
100% Pass
When recovering refrigerant from a medium-pressure system with more
than 200 lbs. of refrigerant, recover to a level of; - ✔✔15" Hg
Refrigerant should be recovered from the condenser outlet if the condenser
is; - ✔✔Below the receiver
A new split system should be checked for leaks by; - ✔✔pressurizing the
system with a few ounces of system refrigerant and an inert gas.
Leaks must be repaired on industrial process and refrigeration units with a
50-pound charge or greater when the annualized leak rate reaches _____ or
more. - ✔✔30%
Refrigerants CFC-12, HCFC-22, and HFC-134a are all classified as Type
_______ substances. - ✔✔A1
1
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, A high-pressure appliance containing less than 200 lbs. of an HCFC or HFC
refrigerant must be evacuated (recovered) to a level of; - ✔✔0 inches of
vacuum
When using a recovery unit on a system containing 100 lbs. of R-410A it
must be evacuated to; - ✔✔0 inches of Mercury
A refrigerant sensor which will sound an alarm and automatically start a
ventilation system in occupied equipment rooms falls under ASHRAE
Standard; - ✔✔15
When an appliance containing 50 pounds or more of a regulated refrigerant
leaks refrigerant at an annual rate of 125% or more, what must be included
on the leak inspections records? - ✔✔Initial verification, verification tests
and records of recovered refrigerant from equipment.
Unless plans are made to replace a system with a leak rate that exceeds the
maximum leak rate, repairs must be made within; - ✔✔30 days
If a leaking appliance with a regulated refrigerant is not going to be
repaired, it must be; - ✔✔retrofitted or retired within 12 months.
2
100% Pass Guarantee Katelyn Whitman, All Rights
100% Pass
When recovering refrigerant from a medium-pressure system with more
than 200 lbs. of refrigerant, recover to a level of; - ✔✔15" Hg
Refrigerant should be recovered from the condenser outlet if the condenser
is; - ✔✔Below the receiver
A new split system should be checked for leaks by; - ✔✔pressurizing the
system with a few ounces of system refrigerant and an inert gas.
Leaks must be repaired on industrial process and refrigeration units with a
50-pound charge or greater when the annualized leak rate reaches _____ or
more. - ✔✔30%
Refrigerants CFC-12, HCFC-22, and HFC-134a are all classified as Type
_______ substances. - ✔✔A1
1
100% Pass Guarantee Katelyn Whitman, All Rights
, A high-pressure appliance containing less than 200 lbs. of an HCFC or HFC
refrigerant must be evacuated (recovered) to a level of; - ✔✔0 inches of
vacuum
When using a recovery unit on a system containing 100 lbs. of R-410A it
must be evacuated to; - ✔✔0 inches of Mercury
A refrigerant sensor which will sound an alarm and automatically start a
ventilation system in occupied equipment rooms falls under ASHRAE
Standard; - ✔✔15
When an appliance containing 50 pounds or more of a regulated refrigerant
leaks refrigerant at an annual rate of 125% or more, what must be included
on the leak inspections records? - ✔✔Initial verification, verification tests
and records of recovered refrigerant from equipment.
Unless plans are made to replace a system with a leak rate that exceeds the
maximum leak rate, repairs must be made within; - ✔✔30 days
If a leaking appliance with a regulated refrigerant is not going to be
repaired, it must be; - ✔✔retrofitted or retired within 12 months.
2
100% Pass Guarantee Katelyn Whitman, All Rights
