Epa Test Review 2018 Type I

Front 1

Which of the following are recommended safe work practices when recovering refrigerants?

Back 1

Wear safety eyewear and butyl-lined gloves when connecting/disconnecting hoses

Front 2

The system dependent (passive) recovery process;

Back 2

Recovers refrigerant in a non-pressurized container.

Front 3

Why should the technician watch for signs of contamination in the oil when recovering refrigerant from a system that experienced a compressor burnout?

Back 3

The system will have to be flushed if contaminants are present.

Front 4

Which of the following is required when attaching a gauge set to check system pressures?

Back 4

Have manual or self-sealing valves on the ends of the gauge set hoses to minimize any release of refrigerant.

Front 5

How many access valves are needed to recover the refrigerant on a sealed system with an operating compressor that has a completely restricted capillary tube?

Back 5

Only one access valve, on the high side of the system.

Front 6

Which refrigerants can be mixed in an appliance?

Back 6

Refrigerants cannot be mixed

Front 7

After recovering refrigerant from a sealed system, if nitrogen is used to pressurize or blow debris out of the system, the nitrogen;

Back 7

May be vented to the ambient air.

Front 8

When a pungent odor is detected during a sealed system recovery and/or repair which of the following is most likely?

Back 8

A compressor burnout has occurred.

Front 9

Why should solderless type piercing valves NOT remain installed on refrigeration systems after completion of repairs?

Back 9

They tend to leak over time.

Front 10

After installing and opening a piercing access valve, the recovery procedure cannot begin if the system is at what pressure?

Back 10

0 psig

Front 11

When using a self-contained recovery device on a CFC, HCFC, or HFC system with an operating compressor, technicians must;

Back 11

Either recover the refrigerant to 4 inches of mercury vacuum or 90% of the nameplate charge.

Front 12

Why should low and high side access valves be installed when recovering refrigerant from a household refrigerator?

Back 12

To improve speed of recovery.

Front 13

Which condition requires accessing both the high and low side of the system for refrigerant recovery when using the system-dependent (passive) recovery process?

Back 13

When the compressor does not run.

Front 14

A standard vacuum pump designed specifically for evacuation and dehydration can;

Back 14

Never be used as a recovery device in combination With a pressurized container.

Front 15

A passive system-dependent recovery process for small appliances;

Back 15

Captures refrigerant in a non-pressurized container.

Front 16

If a reclamation facility receives a tank of mixed refrigerant, they may;

Back 16

Refuse to accept the refrigerant or charge extra for processing it.

Front 17

What should a technician do if the refrigerant in a recovery cylinder is suspected to be contaminated?

Back 17

Turn refrigerant in for reclamation.

Front 18

Before beginning a refrigerant recovery procedure, it is ALWAYS necessary to;

Back 18

Know the type of refrigerant that is in the system.

Front 19

What is the service procedure if the refrigerant in a recovery cylinder is suspected to be contaminated?

Back 19

Take a pressure reading of the cylinder

Front 20

New household refrigerators may be factory charged with any of the following refrigerants, EXCEPT;

Back 20

R-404A

Front 21

What is the maximum allowable factory charge of refrigerant for Type I appliances using CFCs, HCFCs, or HFCs?

Back 21

5 pounds

Front 22

The sale of CFC, HCFC, HFC, and HFO refrigerants to service or install refrigeration and air conditioning equipment is;

Back 22

Restricted to technicians who are EPA certified in refrigerant recovery.

Front 23

Who must certify recovery equipment used during maintenance, service or repair of small appliances that use CFCs, HCFCs, and HFCs?

Back 23

An EPA-approved laboratory.

Front 24

Which of the following is an approved refrigerant for new household refrigerators, freezers, and combination refrigeration/freezers?

Back 24

R-600A

Front 25

Which of the following are included in EPA’s definition of a “small appliance?”

Back 25

Which of the following are included in EPA’s definition of a “small appliance?”