AARC - Accredited Automotive Recycler EV & Hybrid Vehicle Processing Questions and Answers

Question 1

A technician is preparing to depower a hybrid vehicle's high-voltage system. In addition to standard PPE, which piece of equipment is essential for protection against electrical shock?

Accepted Answer

Class 0 insulated gloves

Answer

Steel-toed boots

Answer

A standard leather apron

Answer

UV-blocking safety glasses

Question 2

An auto recycling facility receives a wrecked EV with visible damage to the high-voltage lithium-ion battery casing. What is the appropriate initial action for storing the vehicle?

Accepted Answer

Move the vehicle to a designated quarantine area at least 50 feet away from other vehicles and structures.

Answer

Immediately drain all fluids and proceed with standard dismantling.

Answer

Cover the vehicle with a standard tarp in the general storage area.

Answer

Use a cutting torch to quickly remove the damaged battery section for disposal.

Question 3

When inspecting an end-of-life hybrid vehicle, which of the following is the standard visual indicator used by manufacturers to identify high-voltage cables and components?

Accepted Answer

Bright orange sheathing or conduit

Answer

Bright yellow plastic conduit

Answer

Thick black rubber insulation

Answer

Braided stainless steel shielding

Question 4

After disabling the high-voltage system in an EV by removing the service disconnect, what is the critical next step a technician must perform before starting any dismantling work on the high-voltage components?

Accepted Answer

Wait for a minimum of 10-15 minutes for the system's capacitors to discharge.

Answer

Immediately begin removing the battery pack to minimize risk.

Answer

Reconnect the 12-volt battery to check for system error codes.

Answer

Spray the high-voltage components with a fire-retardant foam.

Question 5

A recycler needs to ship a damaged lithium-ion battery removed from an EV to a specialized facility. According to U.S. Department of Transportation (DOT) regulations, how must this battery be transported?

Accepted Answer

By a carrier with a hazardous materials permit, using specially approved packaging designed for damaged lithium batteries.

Answer

In a standard wooden crate via any common freight carrier.

Answer

Wrapped in plastic and shipped in the back of a company pickup truck.

Answer

It cannot be shipped and must be disposed of on-site as standard hazardous waste.

Question 6

In the event of a thermal runaway and fire involving a high-voltage lithium-ion battery, which of the following is the recommended primary extinguishing method?

Accepted Answer

Large and sustained volumes of water to cool the battery pack and prevent reignition.

Answer

A standard ABC dry chemical extinguisher to smother the flames.

Answer

A Class D extinguisher designed for combustible metals.

Answer

Carbon Dioxide (CO2) to displace oxygen around the battery.