EPA 608 (TYPE II) Exam Questions and
Answers Verified by Experts
With an air-cooled condenser on the roof of a building & the evaporator on the first floor,
recovery should first occur? From the liquid line entering the evaporator.
A deep vacuum is usually measured in? Microns.
Heat Pumps that use R-134A should be leak checked with? Pressurized Nitrogen.
During the evacuation of a system that contains large amounts of moisture it may be necessary to
increase pressure in the system with ________, to counteract the freezing of the moisture.
Nitrogen.
When under a deep vacuum, the motor winding of a hermetic refrigeration compressor?
Will be damaged if energized.
, When using recovery or recycling equipment that was manufactured AFTER November 15,
1993: you must evacuate a system containing MORE than 200 pounds of CFC-12 to _______
before making a major repair. 15 inches Hg vacuum
When inspecting a system for leaks, you should look for? Traces of oil.
Refrigerant leaves the receiver of a system as a? High pressure liquid.
A compressor heater is used to? Reduce the amount of refrigerant in the lubricating oil.
The evaporation temperature of R-134a at 0 psig is? -15F
Dry nitrogen should be used to break the first vacuum when dehydrating by the double
evacuation method. However, it? Can be dangerous if not used with a pressure regulator.
When servicing a 60-ton packaged rooftop unit. The easiest way to check the type of refrigerant
is uses is to? Look at the unit nameplate.
Answers Verified by Experts
With an air-cooled condenser on the roof of a building & the evaporator on the first floor,
recovery should first occur? From the liquid line entering the evaporator.
A deep vacuum is usually measured in? Microns.
Heat Pumps that use R-134A should be leak checked with? Pressurized Nitrogen.
During the evacuation of a system that contains large amounts of moisture it may be necessary to
increase pressure in the system with ________, to counteract the freezing of the moisture.
Nitrogen.
When under a deep vacuum, the motor winding of a hermetic refrigeration compressor?
Will be damaged if energized.
, When using recovery or recycling equipment that was manufactured AFTER November 15,
1993: you must evacuate a system containing MORE than 200 pounds of CFC-12 to _______
before making a major repair. 15 inches Hg vacuum
When inspecting a system for leaks, you should look for? Traces of oil.
Refrigerant leaves the receiver of a system as a? High pressure liquid.
A compressor heater is used to? Reduce the amount of refrigerant in the lubricating oil.
The evaporation temperature of R-134a at 0 psig is? -15F
Dry nitrogen should be used to break the first vacuum when dehydrating by the double
evacuation method. However, it? Can be dangerous if not used with a pressure regulator.
When servicing a 60-ton packaged rooftop unit. The easiest way to check the type of refrigerant
is uses is to? Look at the unit nameplate.
