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CORE
TYPE I
TYPE II
TYPE II
TYPE III
100
A vapor heated above it's saturation point
What is Super heated vapor
100
The certification type needed to purchase CFC and HCFC refrigerants
What is Type 1
100
The component that should always be replaced when a system has been opened for service
What is Filter-drier
100
The way multiple relief valves are connected
What is Parallel
100
The vacuum level that must be met on a low pressure appliance using a machine built in 1992
What is 25 inches of Hg.
200
The factor that affect the speed of an evacuation
What is "Size of the equipment, the ambient temperature, the suction line size, and the quantity of moisture in the system
200
An appliance typically charged at the factory with five pounds or less of refrigerant.
What is Small Appliance
200
Where a receiver is typically installed on a system
What is The outlet of the condenser
200
The procedure used on an empty recovery cylinder before it is used for storing recovered refrigerant
What is It must be evacuated of all non-condensables
200
The effect air in the system has on head pressure
What is Raises head pressure
300
Example CFC refrigerants
What is CFC-11, 12, 113, and 114
300
According the EPA, no person installing, maintaing, repairing, or disposing of any appliance may knowingly vent CFC's or HCFC's after this date
What is July 1, 1992
300
Three things recovered refrigerant can contain
What is Oil, Acids, and Moisture
300
the reason for not operating a hermetic compressor while it is in a deep vacuum
What is to prevent overheating the compress
300
The purpose of a purge unit on a chiller
What is To remove non-condensables and minimize the effects of contaminations
400
The regulation of CFC's, HCFC's and Halons
What is Montreal Protocol
400
The amount of refrigerant a technician has to recover from a small appliance using a system dependent recovery with a non-operating compressor
What is 80%
400
Allows flow through the main line while closing the access port
What is "Back-seating"
400
The access location used when recovering an air cooled system with its condenser several feet above the evaporator
What is Suction Line
400
The susceptible failure of shaft seals on an open type compressor
What is Refrigerant Leaks
500
Calls for the recovery, recycling, and no venting of refrigerant
What is Clean Air Act
500
The first step you always taken before starting a recovery of refrigerant from any equipment
What is Check the refrigerant type
500
Must be able to recover 80% of the refrigerant if the compressor is inoperative or 90% if the compressor is operative
What is the requirements placed on recovery machines built after November 15, 1993
500
The water source for a condenser coil on a water-cooled recovery machine
What is Municipal water tap
500
The Leak rate permissible on equipment other than industrial and process equipment
What is Less than 15% is permissible and 15% or more must be repaired