EPA Core
When the system is in full vacuum
Never energize the compressor
The compressor changes a low pressure vapor to high pressure
Vapor
An ozone molecule contains:
3 oxygen atoms
Which of the following has the highest ozone depletion potential:
CFC's
When chlorine monoxide is found in the stratosphere, it indicates that:
The ozone layer is being depleted
HCFC's contain:
Hydrogen, chlorine, Florine, carbon
The condenser changes high pressure vapor to high pressure
Liquid
The metering device changes high pressure liquid to low pressure
Liquid
Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for:
Disposable cylinders
Which type of refrigerant contains no chlorine?
HFC's
Which international agreement (treaty) regulated the production and use of CFC's, HCFC's, halons, methyl chloroform, and carbon tetrachloride?
Montreal protocol
The chlorine in CFC's will:
Not dissolve in water
Technicians have been required to be certified to service, maintain, or dispose of appliances containing regulated refrigerants since:
November 14, 1994
It has been a violation of EPA section 608 regulations to vent HFC's since:
November 15, 1995
The layer of the stratosphere that protects us from excessive ultra violet radiation is comprised of:
Ozone
To process refrigerants to a level equal to new (virgin) product specifications as determined by chemical analysis defines:
Reclaim
It has been a violation of EPA section 608 regulations to vent CFC's or HCFC's since:
July 1, 1992
Clean refrigerant for reuse by separating the oil from the refrigerant and removing moisture from the refrigerant by passing it through one or more filter driers is the definition of:
Recycle
The two types of recovery systems are:
Self dependent and self contained
HFC's will not damage
Stratospheric ozone
Crop loss, eye disease, and skin cancer have been attributed to:
Stratospheric ozone depletion
How many chlorine atoms does it take to destroy 1,000,000 ozone molecules:
10
The molecule found in CFC's and HCFC's that depleates ozone is:
Chlorine
CFC's and HCFC's are:
ODP substances
The evaporator changes low pressure liquid to low pressure
Vapor