CAR Tools & Equipment Operation 2

Question 1

When using a recovery machine to extract refrigerant from an appliance, which action is required before opening any system valves?

Accepted Answer

Verify the recovery cylinder is not full

Answer

Technicians must confirm the recovery cylinder has adequate capacity before opening valves to prevent overfilling and unsafe pressure buildup.

Question 2

Which type of drill bit is most appropriate for creating pilot holes in sheet metal appliance housings?

Accepted Answer

Twist drill bit with titanium coating

Answer

Titanium-coated twist drill bits are designed to cut cleanly through sheet metal without grabbing or deforming the material.

Question 3

An appliance recycler notices the cutting blade on a band saw is drifting during cuts. What is the most likely cause?

Accepted Answer

Blade is dull or improperly tensioned

Answer

Band saw drift is typically caused by a dull blade or incorrect blade tension, both of which prevent straight, consistent cuts.

Question 4

What is the primary purpose of a torque wrench when disassembling appliances for recycling?

Accepted Answer

To measure and control the force applied to fasteners

Answer

A torque wrench measures applied rotational force, preventing over-torquing that could damage components or under-torquing that could leave fasteners loose.

Question 5

Which PPE is specifically required when operating a hydraulic baler to compact appliance scrap?

Accepted Answer

Safety glasses, steel-toed boots, and hearing protection

Answer

Hydraulic balers generate noise, flying debris, and crush hazards requiring eye protection, foot protection, and hearing protection simultaneously.

(CAR) Certified Appliance Recycler Practice Test

(CAR) Certified Appliance Recycler Practice Test

CAR Tools & Equipment Operation 2