What type of binder is used in all brake friction materials? - Answers -✔✔ Phenolic
resin
The FMVSS 135 standards determine: - Answers -✔✔ The performance of the braking
system
If a vehicle is equipped with antilock brakes, - Answers -✔✔ The vehicle will be able to
be steered during hard braking
All of the following are specified by the FMVSS 135 except - Answers -✔✔ Brake noise
levels
Disc brakes use replaceable friction material called - Answers -✔✔ Pads
Why is copper being reduced in brake friction materials? - Answers -✔✔ It can affect
life in rivers and streams
The antilock brake system (ABS) warning lamp is what color? - Answers -✔✔ Amber
What can the driver do to reduce the possibility of brake fade caused by heat? -
Answers -✔✔ Select a lower transmission gear
Brake pads and linings that use synthetic material such as aramid fibers instead of steel
are usually referred to as: - Answers -✔✔ NAO, NAS, Ceramic
Brake fade can occur due to: - Answers -✔✔ Mechanical fade, Gas fade, Water fade
Disc brake pads can reach temperatures as high as: - Answers -✔✔ 1,800°F (980°C)
Drum brakes use replaceable friction material called - Answers -✔✔ Linings
What is the purpose of any brake repair? - Answers -✔✔ Restore like-new
performance
Technician A says that a power-assisted brake reduces stopping distances compared
with a non-power-assisted brake system. Technician B says that the power-assisted
brake system reduces the force that the driver must exert on the brake pedal. Which
technician is correct? - Answers -✔✔ Technician B only
An owner of a vehicle equipped with ABS brakes complained that whenever he tried to
stop on icy or slippery roads, the brake pedal would pulse up and down rapidly.
Technician A says that this is normal for many ABS units. Technician B says that the
, ABS unit is malfunctioning. Which technician is correct? - Answers -✔✔ Technician A
only
The amount of asbestos in brake friction material is being restricted because: - Answers
-✔✔ It is a health hazard
The rear brakes lock up during a regular brake application. Technician A says the
metering valve could be the cause. Technician B says that stuck front disc brake
calipers could be the cause. Which technician is correct? - Answers -✔✔ Technician B
only
Two technicians are discussing why the brake lines are coiled near the master cylinder
on many vehicles. Technician A says that these coils help prevent moisture from flowing
from the master cylinder to the calipers. Technician B says that they help prevent cracks
that could be caused by vibrations. Which technician is correct? - Answers -✔✔
Technician B only
Technician A says that the red brake warning light can be turned on if a difference in
pressure is detected by the pressure-differential switch. Technician B says that the red
brake warning light can be turned on if the brake fluid level sensor detected low brake
fluid level. Which technician is correct? - Answers -✔✔ Both Technicians A and B
Why should brake calipers be supported by a wire during brake service and not allowed
to hang by the flexible brake hose? - Answers -✔✔ To help prevent damage to the
brake hose
Technician A says that the brake fluid level should not be filled higher than the "MAX"
level line to allow room for expansion when the brake fluid gets hot. Technician B says
that the brake system should be checked for leaks or worn disc brake pads if the brake
fluid is low. Which technician is correct? - Answers -✔✔ Both Technicians A and B
The two types of flares used on brake lines are: - Answers -✔✔ Double flare and ISO
The type of brake fluid most often recommended by vehicle manufacturers is: - Answers
-✔✔ DOT 3
What part in the master cylinder helps keep air from contacting the brake fluid yet allows
the fluid level to drop as the disc brakes wear? - Answers -✔✔ Rubber diaphragm or
floating disc
As brake fluid ages, what happens? - Answers -✔✔ The boiling temperature decreases
Brake fluid pressure is measured in what unit? - Answers -✔✔ psi