AT313 Unit 3 Test Review

Technician A says that a vehicle that has weight has momentum, even when it is stopped. Technician B says that momentum is a combination of speed and weight. Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that static friction turns movement into heat. Technician B says that static friction is a form of kinetic friction. Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Which of the following affect the braking ability of a brake material?

• its temperature
• what it is made of
• how hard it is applied
• all the answers are correct

Brake linings are designed to fade at a certain _____.

• temperature
• humidity
• speed
• momentum

If a tire skids on dry pavement, it is skidding on a layer of _____.

• melted asphalt
• melted rubber
• water vapor
• gas vapor

Technician A says that all rotors are cast as an integral part of the hub. Technician B says that all rotors spin with the wheel. Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Splash shields are installed on the _____ side of the rotor.

• inboard
• outboard
• inboard and outboard
• none of the answers are correct

Splash shields are installed on the _____ side of the rotor.

• rotor movement
• seal twisting
• hydraulic pressure
• servo action

Technician A says that on some disc brakes, the linings are constantly touching the rotor. Technician B says that piston adjustment is automatic on all disc brakes. Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that clips used on disc brake pads are anti-squeal devices. Technician B says that clips used on disc brake pads are wear-reducing devices. Who is right?

• A only
• B only
• Both A and B
• Neither A nor B