CAR CAR Refrigerant Recovery & Handling

Question 1

Under EPA Section 608 regulations, technicians who recover refrigerants from appliances must use equipment that is certified by which organization?

Accepted Answer

EPA-approved testing organization

Answer

OSHA

Answer

ANSI

Answer

UL

Question 2

What is the primary environmental concern associated with releasing CFC-12 refrigerant into the atmosphere during appliance recycling?

Accepted Answer

Ozone layer depletion

Answer

Groundwater contamination

Answer

Acid rain formation

Answer

Carbon monoxide poisoning

Question 3

Which refrigerant type replaced CFCs in most household refrigerators manufactured after 1995 in the US and is classified as an HFC?

Accepted Answer

R-134a

Answer

R-12

Answer

R-22

Answer

R-410A

Question 4

Before opening a refrigerant circuit on an appliance being recycled, the CAR technician should first verify the system is depressurized by:

Accepted Answer

Checking the service valve with a manifold gauge set

Answer

Removing the compressor plug

Answer

Cutting the suction line immediately

Answer

Running the compressor briefly

Question 5

What is the correct disposal requirement for a recovery cylinder that has reached its rated test date and can no longer be refilled?

Accepted Answer

Render it unserviceable and send it to a certified cylinder reconditioner or scrap

Answer

Vent remaining refrigerant and send to landfill

Answer

Refill it one final time and use until empty

Answer

Store it indefinitely in a ventilated area

Question 6

A recycling technician discovers an appliance contains an unknown refrigerant. The safest immediate action is to:

Accepted Answer

Use an identifier device to determine the refrigerant type before recovery

Answer

Recover it into any available cylinder and label it 'unknown'

Answer

Vent it slowly outdoors away from people

Answer

Leave the appliance for a more experienced technician