What is the purpose of the braking system? Explain how applying the brake pedal slows the vehicle.
Question 22
22.
What does it mean to “bleed” the brakes?
Which of the following components does a disc brake system use?
a. brake shoe
b. adjuster screw
c. wheel cylinder
d. caliper
What is another name for a brake disc?
a. rotor
b. drum
c. shoe
d. pad
What does ABS stand for?
a. Always Beware Skidding
b. Actual Braking System
c. Antilock Braking System
d. Apply Before Skidding
What has been recently added to vehicles to help drivers maintain control during unstable situations such as attempting to avoid a crash or during unfavorable weather conditions?
a. parking brake
b. electronic stability control
c. disc brakes
d. drum brakes
What does the braking system use to reduce the speed of a vehicle?
a. grease
b. lubrication
c. friction
d. oil
What converts fluid pressure to mechanical motion?
a. caliper
b. brake shoe
c. rotor
d. bleeder
Hybrid vehicles use _______________ braking in addition to conventional brakes.
a. regional
b. regenerative
c. reactive
d. return
The key principle in a hydraulic system is that fluid is ___________________.
a. not compressible
b. compressible
c. lighter than air
d. heavier than air
What type of energy does a regenerative braking system recapture?
a. potential
b. kinetic
c. light
d. nuclear
What is a common service interval for changing the brake fluid?
a. every 4,500 miles
b. every 45,000 miles
c. every 450,000 miles
d. brake fluid lasts a lifetime and doesn’t need changing
What type of system uses sensors to detect tire slippage during acceleration?
a. traction control system
b. electronic stability control
c. brake assist system
d. autonomous emergency braking
What type of system can stop a vehicle during a critical situation without the driver pushing on the brake pedal?
a. traction control system
b. electronic stability control
c. brake assist system
d. autonomous emergency braking
What is lidar?
a. It is a light-emitting diode.
b. It is technology that is used to monitor brake pad thickness.
c. It is an acronym for light detection and ranging.
d. It is used to measure the level of brake fluid in the master cylinder.
Which of the following statements is true?
a. A forward collision warning system uses similar technologies found in autonomous emergency braking systems, but they don’t automatically apply the brakes.
b. An adaptive cruise control is used to keep a constant speed while backing up.
c. Traction control systems are used during deceleration.
d. Electronic stability control maximizes oversteer and understeer situations.
Rotor runout can occur ___________________.
a. when you go over the speed limit.
b. when you make a panic stop.
c. when you use your cruise control too much.
d. when lug nuts are unevenly torqued or if corrosion or dirt is between the rotor and hub.
Technician A says that most new vehicles have ABS. Technician B says that ABS minimizes wheel lockup (skidding) by using sensors at each wheel (or in the differential) to monitor wheel speed. Who is correct?
a. Technician A
b. Technician B
c. Both Technician A and Technician B
d. Neither Technician A nor Technician B
Technician A says that moisture and dirt do not harm brake fluid. Technician B says that moisture, dirt, and air are considered brake fluid contaminates. Who is correct?
a. Technician A
b. Technician B
c. Both Technician A and Technician B
d. Neither Technician A nor Technician B
Technician A says on vehicles that have disc and drum brakes, the drum brakes are always on the front of the vehicle. Technician B says that it is common to have drum brakes on all four wheels on new vehicles. Who is correct?
a. Technician A
b. Technician B
c. Both Technician A and Technician B
d. Neither Technician A nor Technician B
Technician A says that the master fluid reservoir is where the brake fluid is stored and checked. Technician B says that if you don’t have brake fluid, windshield washer fluid can be used as a substitute. Who is correct?
a. Technician A
b. Technician B
c. Both Technician A and Technician B
d. Neither Technician A nor Technician B
Technician A says that brake fluid never needs to be serviced. Technician B says that it is important to change brake fluid as recommended by the manufacturer to remove contaminants from the system. Who is correct?
