Epa Core

Front 1

Falsifying or failing to keep required records, reach required evacuation levels, and knowingly release CFC and HCFC refrigerant are all violations of the clean air act. What activity with a substitute refrigerant is also a violation?

Back 1

Venting

Front 2

What safety rules should a technician follow?

Back 2

All of them

Front 3

Who is responsible for removing refrigerant from household refrigerators prior to disposal?

Back 3

The final person in the disposal chain. (Scrap metal recycler, Landfill owner, etc...)

Front 4

What must be done with reclaimed refrigerant before it can be legally resold?

Back 4

Level of purity ARI standard 700

Front 5

What is caused by inhaling refrigerant vapor?

Back 5

Heart irregularities or asphyxia

Front 6

Safety glasses and butyl-lined gloves should be worn during what procedures?

Back 6

Recovery or recycling, and handling or refilling refrigerant coolers

Front 7

How should systems using blended refrigerant be charged?

Back 7

A measured charge of liquid into the high side of the system

Front 8

What is the smallest container in which refrigerant may be sold to section 608 certified technicians?

Back 8

Containers 20 pounds or larger

Front 9

Which refrigerant is in HFC?

Back 9

R-134a

Front 10

What is the date of the production and importation that all CFCs phased out?

Back 10

December 31, 1995

Front 11

What should be done when recovering the refrigerant from a system where the refrigerant has been improperly mixed?

Back 11

Recover to a separate container

Front 12

In addition to preventing and repairing leaks, what else should I technician do to conserve refrigerant?

Back 12

Recover and recycle used refrigerants

Front 13

When evacuating, what is the benefit of using short hoses with larger diameters?

Back 13

Reduce emissions, reduce pressure drop, reduce evacuation/dehydration time

Front 14

What breathing problem can be caused by CFC – 12?

Back 14

Asphyxiation (Oxygen Deprivation)

Front 15

What can cause liquid refrigerant to migrate to a compressor crankcase?

Back 15

If the compressor is the coldest location in the circuit

Front 16

What is a ternary blend?

Back 16

Made by combining three different refrigerants

Front 17

How do we know the chlorine in the stratosphere is coming from CFCs?

Back 17

Increases in both Coreen and fluorine have been detected in the stratosphere. The increase in these match the increase in emissions from CFCs

Front 18

What is an Azeotropic refrigerant?

Back 18

Mixture of two or more refrigerant swear the mixture behaves like a single new refrigerant

Front 19

What refrigerants have a low ODP?

Back 19

HFC's and HCFCs

Front 20

What is the recommended lubricant to use with a ternary blend?

Back 20

Alkyl Benzene Type

Front 21

What is the ODP of an HFC refrigerant?

Back 21

ZERO

Front 22

What releases of a CFC and HCFC are violations of the clean air act?

Back 22

All releases

Front 23

How can I speed removed from the sight glass?

Back 23

Alcohol spray

Front 24

Why must only refillable cylinders be used for transport?

Back 24

They are DOT regulated and approved

Front 25

The refrigerant in the suction line is a gas that has been heated above it saturation. What is the condition called?

Back 25

Superheated

Front 26

How can a system be leak checked using it low pressure gauge?

Back 26

After the system has been pulled down, if the pressure comes back up

Front 27

Is the refrigerant leaving a condenser at a high or low pressure? What is it's state?

Back 27

High pressure, Liquid

Front 28

What safety component must be used whenever dry nitrogen is used to pressurize a system?

Back 28

a pressure regulator

Front 29

What can happen to the oil in the compressor if moisture is left in an operating system?

Back 29

It conform hydrofluoric and hydrochloric acid

Front 30

What is the major cause of death involving refrigerant?

Back 30

Oxygen deprivation

Front 31

What does HFC stand for?

Back 31

Hydrofluorocarbon

Front 32

Where will we get replacements?

Back 32

Recovery and recycling operations

Front 33

What is Montreal protocol?

Back 33

First treaty calling for reduction of the available production of CFCs

Front 34

what is the likely result of heating a recovery cylinder with an open flame?

Back 34

The refrigerant in the tank decomposing into a toxic material

Front 35

Which chemical in CFC refrigerants does the most damage to the ozone?

Back 35

Chlorine

Front 36

Is CFC – 12 a low or high pressure refrigerant?

Back 36

High

Front 37

What does CFC stand for?

Back 37

Chlorofluorocarbon

Front 38

What is the role of the ozone layer in protecting the earth?

Back 38

Filtering out and blocking the harmful ultraviolet radiation emitted from the sun and it helps keep the earths temperature stable

Front 39

Which refrigerants are HCFCs?

Back 39

R-22, R-123

Front 40

Should you ever use a disposable cylinder for refrigerant recovery?

Back 40

No

Front 41

What is the purpose of a DOT classification tag?

Back 41

Must meet the requirements of the Code of Federal Regulations title 49 (Type of refrigerant/weight)

Front 42

Do state and local laws have priority over federal law? Can they be less strict?

Back 42

No, No

Front 43

How close should vacuum gauge be connected to the vacuum pump during evacuation?

Back 43

As far away as possible

Front 44

Which are CFCs?

Back 44

R-11, 12, 113, 114

Front 45

What must be done with the badly corroded relieve valve?

Back 45

Replaced

Front 46

What can happen if a cylinder is overfilled?

Back 46

It could cause a tank to rupture with extreme violence

Front 47

What is the preferred instrument for detecting small leaks?

Back 47

Electronic, Ultra Sonic

Front 48

What is it about CFCs that make them more harmful in the stratosphere?

Back 48

Higher ODP

Front 49

What must be affixed to a refrigerant cylinder prior to its shipment to a reclaimer?

Back 49

Clearly labeled with a DOT classification tag

Front 50

What color are the gauges on a manifold gauge set?

Back 50

Blue (Low side), Red (High Side)