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Exam 1: Brake System Fundamentals

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Question 1

True/False

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Flexible brake hoses are needed to allow movement between the brake hydraulic components and the steering / suspension components.

A) True
B) False

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Question 2

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A technician should be trained in the proper disposal of hazardous waste.

A) True
B) False

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Question 3

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A(n)___________ is the hydraulic cylinder mounted on the backing plate of a drum brake assembly.

Always wear ____________________ gloves when working with chemicals.

Technician A says rings or bracelets may be worn in the shop if electrical repairs are not being performed. Technician B says no jewelry should ever be worn in the shop. Who is correct?

The use of leverage increases force and increases distance by the same factor.

Boat trailers do not use electric braking because water _____ the life expectation of electric brake components.

Parking brakes are used to hold a vehicle stationary after it has been stopped by the service brakes.

Technician A says lockup is a condition in which a wheel stops rotating and skids on the road surface. Technician B says that positive wheel spin happens with no traction and the wheel spins but does not move the vehicle. Who is correct?

Brake cleaning is being discussed. Technician A says the fumes from aerosol cleaners and open part washers are heavier than air and will settle to the lower part of the work area.   Technician B says solvent vapors are not harmful. Who is correct?

A brake pedal assembly has a 9-inch lever and the master cylinder pushrod is 1.5 inches from the fulcrum. If the driver applies 50 pounds of force to the pedal, how much force will be applied to the master cylinder?

A vehicle with complete brake failure may be driven slowly into the shop if the technician is prepared to apply the emergency brakes if necessary.

Asbestosis is a disease caused by inhaling ____________________.

Describe the construction and basic operation of the typical master cylinder.

The typical mechanical components of a hydraulic brake system include all of the following   EXCEPT:

Regardless of the type of braking system, mechanical, hydraulic, or electronic, where does the final braking action occur?

Which of the following materials is used for brake lines?

What are the hazards related to working on or near components of the supplemental inflatable restraint system (SIRS)?

Friction is the use of a lever and fulcrum to create mechanical advantage.

Trailer brakes are being discussed. Technician A says that hydraulic surge brakes are typically used on RV units. Technician B says that electric trailer brakes are typically used on utility and RV units. Who is correct?