Core
Type 1
Type 2
Type 3
Miscellaneous
100

Gas used as the baseline measurement for global warming potential (GWP) 

What is Carbon Dioxide?

100

Does not meet the criteria for Type 1 appliance certification

What is an MVAC-like system?

100

Leak rate for for commercial refrigeration systems containing 50lbs or more of R-22

What is 20%?

100

Determines if a tube leaks.

What is a hydrostatic tube kit?

100

Molecule present in the stratosphere

What is 3 oxygen atoms?

200
HFO refrigerants are less flammable than Hydrocarbon because of this atom.  

What is Flourine. 

200

Small appliance permissible to use passive recovery device for CFCs, HCFCs, and HFC.

What is a domestic refrigerator?

200

Phase in which refrigerant is removed to save recovery time

What is a liquid phase?

200

The maximum test pressure for a low-pressure centrifugal with nitrogen

What is 10 psig?

200

Leaves the compressor

What is high pressure vapor?

300

Has the highest OZONE depletion potential (ODP)

What is CFCs?

300

Helpful to release refrigerant from compressor

What is heating the compressor and hitting it with a rubber mallet?

300

Visual que for a leak in a hermetic system

What is traces of oil?

300

Determines a chiller's normal charge for leak rate calculations. 

What is the charge stated on the equipment name plate?

300

Refrigerant causes suffocation

What is heavier than air and displaces oxygen?

400

Contains Chlorine.

What is R-22?

400

Cannot be factory charged in new household refrigerators. 

What is R-600a?

400

speeds up the removal of refrigerant charge from a system using pressure.

What is cooling the recovery cylinder?

400

Amount of refrigerant vapor left in a 350-ton R-123 chiller at 0 psig when all the liquid refrigerant is removed.

What is 100 lbs?

400

Most likely to leak on a belt-driven non-hermetic compressor due to not being used for several months 

What is the rotating shaft seal?

500

Refrigerant that is processed to new product specifications

What is Reclaim?

500

Decomposed refrigerants from high temperatures. 

What are Hydrochloric and hydrofluoric acids?

500

the level at which a component containing more than 200lbs of R-410A would need to be evacuated.

What is 10 inches of Hg vacuum.

500

refrigerant goes here after it leaves the purge unit of a low-pressure centrifugal system.

what is the evaporator?

500

Location where the centrifugal system purge unit takes its suction 

What is top of the condensor?

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