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Exam 14: Disc Brake System Principles

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Question 1

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During operation, the ___________ ___________ is used to pull the piston back into its bore.

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Question 2

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Caliper pistons are made of all of the following EXCEPT:

A) phenolic plastic
B) steel
C) aluminum
D) cast iron

E) None of the above
F) A) and D)

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Question 3

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Drum brakes do a better job of resisting brake fade than disc brakes.

Many brake pads use ____________ fibers and other materials.

All of the following are types of disc brake parking brakes EXCEPT:

The most common brake rotors are typically made of ______.

Technician A says fixed calipers are bolted directly to the steering knuckle and have multiple pistons.Technician B says floating calipers move laterally on bolts or pins.Who is correct?

Large vehicles typically use ______ rotors.

Technician A says disc brakes are more prone to fade than drum brakes.Technician B says disc brakes are less prone to making noise than drum brakes.Who is correct?

The caliper assembly shown in the following figure is a fixed caliper.

The caliper piston seal is a _______ seal, housed in a ________ in the piston bore

Many pads have a built-in wear indicating device called a _______ due to the noise it makes when it contacts the rotor.

Which of the following statements concerning brakes is NOT correct?

The item indicated by the letter A is used to:

Rotors are mounted to the hub and rotate with the wheel and tire.

The frictional energy on the rotor surface creates heat.

_______ calipers are smaller, lighter, and less expensive than _______ calipers.

Fixed calipers are mounted directly to the steering knuckle have at least two pistons.

The most common type of caliper used in modern cars and light trucks is the ________ caliper.

Technician A says components of a basic caliper include the caliper housing body, internal fluid passage, and piston.Technician B says components of a basic caliper include the square seal, dust boot, and bleeder screw.Who is correct?