CAR Appliance Recycler Safety & Hazardous Material Handling 3

Question 1

Polychlorinated biphenyls (PCBs) may be found in which component of older large household appliances?

Accepted Answer

Ballast capacitors in fluorescent-lit appliance interiors

Answer

Compressor motor windings

Answer

Plastic door gaskets

Answer

Stainless steel drum liners

Question 2

When using a refrigerant recovery machine, the technician should stop recovery operations when:

Accepted Answer

The recovery cylinder reaches 80% of its rated capacity by weight

Answer

The recovery cylinder feels warm to the touch

Answer

The system pressure reaches 0 psig

Answer

The compressor of the appliance stops running

Question 3

Which of the following best describes a Class D fire hazard in an appliance recycling facility?

Accepted Answer

Fire involving combustible metals such as magnesium found in some appliance housings

Answer

Burning rubber insulation on wiring

Answer

Ignition of compressor oil

Answer

Electrical fire in a motor starter panel

Question 4

According to EPA regulations, who is authorized to purchase refrigerant in containers larger than 2 pounds?

Accepted Answer

Only EPA Section 608 certified technicians

Answer

Any person with a valid business license

Answer

Any individual 18 years of age or older

Answer

Only licensed HVAC contractors with state certification

Question 5

What is the primary risk of mercury tilt switches found in some older appliances when the unit is crushed without prior de-manufacturing?

Accepted Answer

Mercury is released as a vapor or liquid, contaminating the environment

Answer

The switch can generate an electrical arc

Answer

The switch can cause a chemical fire when compressed

Answer

The switch emits radiation when broken

Question 6

A worker develops skin redness and blistering after handling insulation foam from a refrigerator. This reaction is most likely caused by:

Accepted Answer

Residual blowing agents such as cyclopentane trapped in the foam cells

Answer

Fiberglass particles embedded in the foam

Answer

Normal reaction to cold temperatures

Answer

Static electricity discharge from the foam surface

Question 7

Under OSHA's Hazard Communication Standard (HazCom), which document provides workers with detailed information about chemical hazards, safe handling, and emergency procedures for a specific substance?

Accepted Answer

Safety Data Sheet (SDS)

Answer

Material Requisition Form

Answer

Chemical Inventory Log

Answer

Incident Report Form