Ch 80 Brakes Semester Exam

The __________is a lever arm to increase the force applied to the master cylinder piston.

• push rod

• master cylinder

• firewall

• brake pedal assembly

Technician A says a dual master cylinder's rear piston assembly is called the primary piston. Technician B says a dual mster cylinder's rear piston assembly is called the secondary piston. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B

The ______is included in a brake caliper assembly.

• cylinder cup

• mster cylinder

• piston seal

• return spring

Technician A says newer vehicles use brake pad linings made of heat -resistent organic or semimetallic friction materials. Technician B says newer vehicles ue pad linings mad of asbestos. Who is right?

• A only

• B only

• Both A and B

• Neith A nor B

All of the following are true about brake discs, except:

• they may be solid or vented

• the ventilated disc has a series of ribs.

• they may be an integral part of the wheel hub

• the brake disc is normally made of aluminum

Technician A says the sliding caliper uses more than one piston. Technician B says the fixed caliper disc brake is a one-piston caliper. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B

The backing plate holds all of the following drum brake components, except;

• brake drum

• shoes

• wheel cylinder

• springs

Technician A says the brake shoe adjuster maintains the correct drum-to-lining clearance. Technician B says many vehicles use a star wheel-type brake shoe adjusting mechanism. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B

The brake shoes are drawn tighter against the drum by______.

• shoe action

• self-energizing action

• inertia action

• capillary action

Technician A says most modern cars use a mechanical stoplight switch. Technician B says most modern cars use a hydraulically operated switch. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B