Worksheetsactive and passive
Total questions: 41
Worksheet time: 16mins
What should be done before handling, removing or installing a pyrotechnic safety component?
Discharge any static electricity from yourself.
Wear safety glasses.
Empty pockets of anything that may fall out.
All of the above.
How the ABS works?
Signal (Wheel Speed Sensor) -> Calculation / Perform (ECU) -> Brake / Not Brake (Actuator)
Calculation / Perform (ECU) -> Signal (Wheel Speed Sensor) -> Brake / Not Brake (Actuator)
Select four (4) ABS parts.
Auto Cruise
Wheel Sensor
Warning Light
Hydraulic Unit
ABS ring
What does the braking system use to reduce the speed of a vehicle?
grease
friction
speed
torque
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?
Both A & B
Technician A
Technician B
Neither A & B
Drum Brake Part
Disc Brake Part
When discussing brake fluid
DOT 3 can be mixed with DOT 4.
DOT 4 can be mixed with DOT 3
DOT 5 can be mixed with DOT 4
Fluids should never be mixed
What percentage of the braking force comes from the rear brakes in a typical front wheel drive vehicle
10
30
50
70
What has been recently added to many vehicles to help drivers maintain control during unstable situations such as attempting to avoid a crash or during unfavorable weather conditions?
parking brake
electronic stability control
disc brakes
drum brakes
What is main reason for anti-lock brake systems?
better brakeware
longer tire life
quicker/better stopping power
prevent wheel lockup and loss of steering control
What component is not part of the anti-lock brake system?
wheel speed sensor
control module (computer)
electro hydraulic brake acuator
shock absorber
When a tire locks and skids, it's stopping distance ..........
increases
decreases
stays the same
Which component of the anti-lock braking system stores brake fluid under high pressure?
fluid reservoir
master cylinder-booster
solenoid valve block
accumulator
Anti-lock brake systems..........
are always stand alone systems
are often part of traction control and electronic stability control systems
always found on cars from 1964 and on
When brakes begin to lock, an ABS kicks in.........
brake pedal will drop to floor
brake pedal will become much firmer
brake pedal may have a pulsating feel
Technician A says, under normal braking conditions ABS is not used. Technician B says ABS is used all the time for maximum braking controls. Who is correct?
Technician A only
Technician B only
Both Technician A and Technician B
Neither Technician A nor Technician B
a steering angle sensor is part of the .......
ABS System
Traction Control System
Electronic Stability Control System
Anti-Lock brake systems are.........
always 4 wheel systems
sometimes front wheel only systems
sometimes 4 wheel and sometimes rear wheel only
A Hall effect sensor produces what type of wave form?
Square wave
Sine wave
AC wave
Triangle wave
What does a wheel speed sensor measure?
Braking force
Wheel speed
Throttle position
Brake pedal position
What voltage range does an inductive sensor produce?
10-12 volts
6-12 volts
0-5 volts
12-15 volts
What happens if the ABS system develops a fault?
ABS Light comes on dash and car will not start
ABS light illuminates and brakes work as a non ABS braking system.
ABS light flashes and brakes automatically applied
ABS system allows ABS to continue working on the side with no faults
Name this ABS Component
ABS Pump
ABS Control module
ABS Sensor
ABS Reluctor ring
What is this ABS Component?
ABS Sensor
ABS Power unit
ABS Pump including hydraulic unit and ECU
Power multiplier
What voltage is supplied to an active ABS Sensor?
5v
5amps
12v
24v
What does the ABS system do?
Lock all wheels to prevent an accident.
Apply extra brake pressure to the skidding wheel.
Release brake pressure to the skidding wheel.
Remove the braking from the rear wheels.
Hydraulics uses what as its non-compressible medium
Air
Water
Oil
Grass
What type of system do we call it?
(choose all the correct options)
Parking Assist Sensors
Stability Control
Anti Lock Brakes
