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