Category 1
When using a system dependent recovery process on an appliance with an operation compressor, run the compressor and recover from the _________ side of the compressor.
What is high side
For an appliance containing 50 or more pounds of refrigerant, it must be repaired within ____ days when the annual leak rate exceeds ____ percent of the total charge.
What is 30 days and 10 percent
A chillers purge suction is taken off the top of the ________ and returns back to the __________.
What is condenser and evaporator
The component responsible for storing refrigerant is ________.
What is a liquid line receiver.
A single chlorine atom can destroy up to _______ molecules.
What is 100,000
When filling a charging cylinder with a regulated refrigerant, the refrigerant vapor that is vented off the top of the cylinder must be _______.
What is recovered
All commercial and industrial process refrigeration containing more than 50 lbs must be repaired when the annual leak rate exceeds _____ for commercial and _____ for industrial.
What is 20% and what is 30 %
A rupture disc bursts at _______psig.
What is 15
The component that is responsible for compressing refrigerant is ___________.
What is the compressor.
CFCs contain _______
What is chlorine, fluorine and carbon.
The EPA definition of a small appliance is_____
What is a product manufactured, charged , and hermetically sealed in a factory containing five pounds or less of refrigerant.
When an appliance containing 50 lbs of a regulated refrigerant or more leaks _______% or more, the owner must submit a report to the EPA describing efforts to identify leaks and repair.
What is 125%
When charging a chiller in a deep vacuum, refrigerant should enter the system as a _______ until the saturation temperature equals ________.
What is vapor and 36 degrees.
The job of an evaporator is to __________
What is absorb heat from the living space.
The 3 R's stand for __________
Recover, recycle and reclaim.
System dependent recovery may only be used in equipment containing ________lbs of refrigerant or less.
What is 15
A major repair is _________
What is a repair to the evaporator, condenser, compressor, metering device, or an auxiliary heat exchange coil
Refrigerant recovery starts with _________ removal and is followed by ______.
What is liquid and vapor
The component that rejects heat to the outdoors by taking a high temperature, high pressure vapor and turning it to a liquid is known as the __________.
What is the Condenser.
The difference between system dependent recovery (passive) and self contained recovery (active) is ________
Active uses a recovery machine to recover refrigerant, passive uses the machines internal components.
In order to achieve the required recovery efficiency, it will be necessary to take measures such as _____ and _______ the compressor several times to help release trapped refrigerant from the compressor oil.
What is heating and tapping.
When charging a large system, it is best to charge _____ through the ______ line.
What is liquid through the liquid line.
An average, 350 ton, R 123 chiller at 0 psig still contains approximately _____ of vapor after all the liquid has been removed.
What is 100lbs
The job of a metering device is to __________.
What is feed the proper amount of refrigerant to the evaporator.
What is the color code for recovery cylinders, the maximum fill capacity and the agency that is responsible for approving them?
What is yellow top, grey bottom, 80% and the DOT