Epa Type I

Front 1

If the EPA regulations should change after a technician become certified

Back 1

it is the technician's responsibility to comply with any future changes in the law

Front 2

at a high temperature open flames glowing metal surfaces R-12 and R-22 can do decompose to form:

Back 2

Phosgene gas

Front 3

Which of the following refrigerants is most commonly used as a replacement for R-12 in new household refrigerators?

Back 3

R-134a

Front 4

Recovery equipment used for the service or repair of small appliances must be certified by an EPA approved laboratory if the recovery equipment was manufactured after

Back 4

November 15th 1993

Front 5

What is the maximum allowable Factory charge of refrigerant for type 1 appliances?

Back 5

5 pounds

Front 6

Why is it important to obtain an accurate pressure reading of refrigerant inside a recovery cylinder?

Back 6

The pressure reading along with the temperature reading can indicate if there is excessive air or other non condensables in the cylinder

Front 7

recovery devices that were manufactured after November 15th 1993 and are used for Recovery of refrigerant for small appliances must be capable of

Back 7

recovering 90% of the refrigerant when the compressor is operating or achieving a 4 inch vacuum under the conditions of ARI 740- 1993

Front 8

solderless piercing valve should not remain installed on refrigerant systems after completion of repairs because

Back 8

They tend to leak over time

Front 9

Whenever nitrogen is used to pressurize or blow debris out of the system

Back 9

Only nitrogen Vapor should be used

Front 10

What can cause excessive pressure on the high side of an active self-contained recovery device?

Back 10

A closed recovery tank inlet valve or excessive air or other non condensables in the recovery tank (either A or B)

Front 11

Portable refillable tanks or containers used to ship recovered refrigerants must meet what standard(s)?

Back 11

Department of Transportation

Front 12

A recovery cylinder which is half full of recovered R-22 at normal room temperature (above 75F) in the absence of non condensables will be pressurized to

Back 12

130 PSIG

Front 13

Before beginning a refrigerant recovery procedure it is ALWAYS necessary to

Back 13

Determine the type of refrigerant in the system

Front 14

Which of the following refrigerants must be recovered with equipment currently regulated by the equipment certification requirements of the EPA under Section 608?

Back 14

R-12

Front 15

In the event of a large release of R-12 or R-22 in a contained area which of the following is true?

Back 15

Self contained breathing apparatus SCB or leaving the area is required

Front 16

according to the EPA which recovery equipment maintenance practice should be performed on a regular basis?

Back 16

Check recovery device for refrigerant leaks

Front 17

Small amounts of refrigerant have no odor therefore if a pungent odor is detected during a system recovery and/or repair

Back 17

A compressor burnout has likely occurred

Front 18

When recovering refrigerant into a non-pressurized container from a refrigerator with an inoperative compressor

Back 18

it is necessary to heat and strike the compressor with a rubber mallet

Front 19

Large spills of refrigerant can cause suffocation because:

Back 19

They are heavier than air and displace oxygen

Front 20

which of the following is not a type 1 Appliance?

Back 20

An MVAC like system that holds three pounds of R-12

Front 21

when you connect your service manifold to check system pressures it's always a good idea to

Back 21

Use equipment such as hand valves or self sealing hoses to minimize any release

Front 22

the EPA requires that all appliances must be equipped with a service aperture or other device that is used when adding or removing refrigerant from the appliance for small appliances this service port typically is

Back 22

straight piece of tubing called a process tube that is entered using a piercing access valve

Front 23

Anyone who recovers refrigerant during the maintenance service or repair of small appliances must be certified as either a universal technician or a

Back 23

type 1 technician

Front 24

Anyone who recovers refrigerant during the maintenance service or repair of small appliances must be certified as either a universal technician or a

Back 24

type 1 technician

Front 25

EPA regulations repair of the capture of at least 80% of the refrigerant from a small appliance with a non operating compressor if the technician is using

Back 25

either type of recovery unit

Front 26

when using a passive system dependent recovery method on an appliance with an operating compressor you should run the (appliances) compressor

Back 26

And recover the refrigerant from the high side

Front 27

A passive system dependent recovery device for small appliances

Back 27

Captures refrigerant in a non-pressurized container

Front 28

The sale of CFC and HCFC refrigerants is

Back 28

Restricted to technicians who are EPA certified in refrigerant recovery

Front 29

Which of the following listed below should be recovered with current EPA approved recovery devices?

Back 29

None of the above

Front 30

When servicing a small appliance with a leak

Back 30

It is not mandatory to repair the leak but do so whenever

Front 31

when using any equipment or servicing any system that has a Schraeder valve it is "critical" to

Back 31

inspect the Schraeder valve core for Bends and breakage replace any damage Schraeder valve core to prevent leakage cap the Schraeder ports to prevent accidental depression of valve core( all of the above )

Front 32

If R-12 or R-22 are exposed to high temperatures (from open Flames or glowing-hot metal surfaces) these refrigerants can decompose to form

Back 32

Hydrochloric and hydrofluoric acids

Front 33

when using a graduated charging cylinder any refrigerant that is vented from the charging cylinder

Back 33

Must be recovered

Front 34

A standard vacuum pump designed specifically for evacuation and dehydration can

Back 34

Never be used as a recovery device in combination with a pressurized container

Front 35

The EPA section 608 server certification must be renewed every

Back 35

the EPA certification has no expiration date

Front 36

Prior to shipping any use refrigerant it is necessary to

Back 36

Properly label the refrigerant container properly complete shipping paperwork check that the refrigerant container meets DOT standards(all of the above)

Front 37

A refrigerant that can be used as a direct Service drop in substitute for R-12 in a small appliance is

Back 37

None of the above

Front 38

After installing and opening a piercing access valve is a system pressure is _______do not begin the recovery procedure

Back 38

0 PSIG

Front 39

the EPA definition of a small appliance includes which of the following

Back 39

A device manufactured charged and hermetically sealed in a factory a device with a charge of 5 pounds or less(both a & b)

Front 40

when using _____ it is essential to take extra measures such as heating or striking the compressor to help release trapped refrigerant from the compressor oil

Back 40

Passive system dependent recovery devices on a small appliances with a non-operating compressor

Front 41

It is an EPA regulation that any person who opens an appliance for maintenance service or repair must have at least one self-contained recovery machine available at their place of business the only exception to this rule or persons working on

Back 41

Small appliances

Front 42

Which of the following are part of the EPA recommended safe work practices?

Back 42

Wear safety glasses or goggles when working with any compressed gases wear butyl lined gloves when connecting disconnecting hoses(both a & c)

Front 43

Recovery devices that were manufactured before November 15th 1993 and are used for Recovery of refrigerant from small appliances must be capable of

Back 43

Recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740 -1993

Front 44

Piercing type valve should only be used on which of the following tubing materials?

Back 44

Copper aluminum( both a & b)

Front 45

When using a passive system dependent recovery process you should access both the high and low side of the system for the refrigerant recovery if

Back 45

The system's compressor does not run

Front 46

On a small appliance with an operating compressor that has a completely plugged capillary tube what is the minimum number of access valves that are needed to evacuate the refrigerant?

Back 46

Only one access valve on the high side of the system

Front 47

Technicians with a type 1 small appliance certification are certified to recover refrigerant during the maintenance service or repair of

Back 47

Packaged terminal air conditioners( PTACs) with five pounds or less of refrigerant

Front 48

A recovery cylinder which is half full of recovered R-500 at normal room temperature(about 75F) in the absence of non condensables will be pressurized to

Back 48

95 PSIG

Front 49

A very high pressure Appliance is one that uses a refrigerant with a liquid phase saturation pressure above 355 psia at 104°F this definition includes but is not limited to appliances using which of the following refrigerants listed below

Back 49

R-23 R-13 R-503 (all of the above)

Front 50

A refrigerant that can be used as a direct Service drop in substitute for R-22 in a small appliance is

Back 50

None of the above

Front 51

If a large leak of refrigerant occurs in an enclosed area and no self contained breathing apparatus is available then the technician should

Back 51

vacate and ventilate the spill area

Front 52

When recovering refrigerant from a household refrigerator who's compressor does not run it is recommended that low and high Side Access valves be installed because

Back 52

It can enhance the speed of recovery it may be necessary to achieve required recovery efficiency(both a&b)

Front 53

A recovery cylinder which is half full of recovered R-12 at normal room temperature in the absence of non condensables will be pressurized to

Back 53

75 PSIG

Front 54

when using nitrogen the nitrogen tank should always be equipped with a

Back 54

Regulator

Front 55

To avoid accidental removal of liquid refrigerant when recovering vapor from a system using a self-contained active recovery device that can not handle liquid refrigerant you should draw vapor from the

Back 55

High side

Front 56

If you install an access fitting onto a sealed system

Back 56

The fitting should be leak tested before proceeding with recovery

Front 57

If you are recovering refrigerant from a frost-free refrigerator you should

Back 57

Turn on the defrost heater to vaporize any trapped liquid

Front 58

When checking for the existence of non condensable gases inside a recovery cylinder why is it proper procedure to allow the temperature of the cylinder to stabilize at room temperature before taking a pressure reading

Back 58

Because any comparisons to a pressure temperature chart is only valid if both the pressure and temperature of the refrigerant are stable

Front 59

A standard vacuum pump designed specifically for evacuation and dehydration can

Back 59

Be only used as a recovery device in combination with a non-pressurized container

Front 60

whenever nitrogen is used to pressurize or blow debris out of the system the nitrogen

Back 60

Can be vented

Front 61

If a Reclamation processing plant is given a recovery tank containing a mixture of refrigerants they can

Back 61

Refuse to process the refrigerant and return it agreed to destroy the refrigerant but typically a substantial fee is charged for the destruction(both a&b)

Front 62

Refrigerant recovery devices must be equipped with low loss fittings low loss fittings are used to

Back 62

Connect the recovery device to any Appliance and which are manually closed or which close automatically when they are disconnected to prevent loss of refrigerant from hoses

Front 63

recovery or recycling equipment which was manufactured after November 15th 1993 and is used to recover refrigerant from small appliances prior to disposal of the small appliances must be used to

Back 63

Recover 80% of the refrigerant in an appliance if the appliances compressor is inoperative recover 90% of the refrigerant in an appliance if the appliances compressor is operational(both b&c)

Front 64

The sale of refrigerants is

Back 64

Restricted to technicians who are EPA certified in refrigerant recovery

Front 65

A recovery cylinder which is half full of recovered R-410A at 90 degrees F in the absence of non condensables will be pressurized to

Back 65

300 PSIG

Front 66

Which refrigerants can be mixed?

Back 66

refrigerant can never be mixed

Front 67

Which refrigerants can be mixed?

Back 67

refrigerant can never be mixed

Front 68

When transporting refrigerants DOT regulation number 49 CFR requires _______ to be recorded on the shipping papers for hazard class 2.2 non flammable compressed gases?

Back 68

number of cylinders of each gas

Front 69

When transporting refrigerants DOT regulation number 49 CFR requires _______ to be recorded on the shipping papers for hazard class 2.2 non flammable compressed gases?

Back 69

number of cylinders of each gas