WorksheetsLV08 Braking System Quiz
Total questions: 30
Worksheet time: 15mins
Which component is not typically part of a modern braking system?
Brake pedal
Brake servo
ECU and modulator unit
Brake calipers
What are the two main types of wheel speed sensors?
Inductive and Capacitive
Inductive and Hall effect
Hall effect and Optical
Optical and Capacitive
What is the first stage of ABS operation when rapid deceleration is detected?
ABS pressure holding phase
ABS pressure reduction phase
ABS pressure increase phase
ABS pressure modulation phase
What does the ABS ECU use to regulate the current flowing to the solenoid valve?
Pulse width modulation (PWM)
Frequency modulation (FM)
Amplitude modulation (AM)
Phase modulation (PM)
What happens when the wheel speed sensor indicates that the wheel is slowing too rapidly?
The ECU deactivates the solenoid valve.
The ECU fully energises the solenoid valve.
The brake master cylinder pressure increases.
The modulator unit stops functioning.
What is the purpose of brake force proportioning?
To increase the grip on all wheels equally.
To reduce the grip on the loaded wheel.
To prevent skidding by adjusting grip on the unloaded wheel.
To enhance acceleration during braking.
How does Electronic Brake Force Distribution (EBD) function?
It directs hydraulic fluid pressure to all wheels equally.
It directs hydraulic fluid pressure to the wheels with the least grip.
It directs hydraulic fluid pressure to the wheels with the most grip.
It reduces hydraulic fluid pressure to all wheels.
What is the role of a solenoid in an emergency brake assistance system?
It decreases pressure in the hydraulics.
It increases pressure in the hydraulics.
It maintains constant pressure in the hydraulics.
It releases pressure from the hydraulics.
What is a characteristic of a cable actuated electronic parking brake system?
It uses a hydraulic system to hold the brakes.
It uses a motor to draw on a cable operated handbrake.
It uses a mechanical actuator in the brake caliper.
It uses a pneumatic system to hold the brakes.
What is the function of Electronic Stability Control (ESC) systems?
To increase vehicle speed during cornering.
To maintain the attitude of the vehicle suspension during manoeuvring.
To decrease vehicle speed during straight driving.
To enhance fuel efficiency during driving.
How does ESP intervene during an understeer situation?
By applying metered braking force to the inside rear wheel.
By applying metered braking force to the outside front wheel.
By increasing the speed of the vehicle.
By reducing the engine power.
What is the primary function of regenerative braking in hybrid vehicles?
To convert kinetic energy into heat.
To convert kinetic energy into electricity.
To increase the speed of the vehicle.
To reduce the vehicle's weight.
What happens during an oversteer situation?
The front tires have more grip than the rear.
The rear tires have more grip than the front.
The vehicle moves in a straight line.
The vehicle's speed increases.
What is the Ackerman principle used for in vehicle steering?
To create toe-in on turns.
To create toe-out on turns.
To increase vehicle speed.
To reduce tire wear.
What should be done if a tyre is under-inflated?
Inflate tyres to correct pressure. Replace worn components.
Deflate tyres to reduce pressure.
Balance wheels dynamically.
Adjust track to correct figure.
Which condition is important to meet before checking steering geometry?
The vehicle should be on a flat/level surface.
The vehicle should be on an inclined surface.
The vehicle should be loaded with extra weight.
The vehicle should have deflated tyres.
How can toe-out on turns (TOOT) be corrected if found incorrect?
Adjust the length of the arms at the track rod ends.
Inflate the tyres to maximum pressure.
Deflate the tyres completely.
Replace the steering wheel.
What is the remedy for wheel imbalance?
Balance wheels dynamically.
Inflate tyres to correct pressure.
Adjust track to correct figure.
Replace worn leaking dampers.
What is one advantage of electro-hydraulic power-assisted steering?
Increased engine load
Fixed pump location
Power assistance during engine stall
Higher emissions
How can the pump in electro-hydraulic power-assisted steering be controlled?
By a lever
By a switch
By a pedal
By a dial
What is a benefit of electronic power-assisted steering (EPS)?
Operates continuously
Requires a fluid system
Reduces engine emissions
Large and bulky design
Which system allows the pump and reservoir to be mounted away from the engine?
Hydraulic power-assisted steering
Electro-hydraulic power-assisted steering
Manual steering
Electronic power-assisted steering
What can be achieved by combining a vehicle radar system with steering systems?
Self-parking function
Increased fuel efficiency
Enhanced braking system
Improved tire traction
What should learners be aware of when controlling front and rear steering racks?
The color of the steering wheel
The phasing used in control
The type of tires used
The speed of the vehicle
What is the first step in testing a self-energising rear suspension system?
Drive the car over a bumpy surface
Measure the ride height with no load
Place a heavy load in the rear
Check the tire pressure
What should be done after placing a heavy load in the rear during the suspension test?
Drive the car over a bumpy surface
Measure the ride height again
Remove the load immediately
Check the engine oil
What is used as the main suspension spring in vehicles with active air suspension?
Hydraulic liquid
Air
Steel coil
Leaf spring
What component connects the car's suspension components to the vehicle chassis in an active air suspension system?
Hydraulic pistons
Steel rods
Rubber airbags
Metal springs
In an active hydro-pneumatic system, what is used to transfer suspension movement?
Air
Hydraulic liquid
Electric motor
Mechanical spring
What can be adjusted to maintain the correct vehicle attitude in active air suspension systems?
Tire pressure
Air in the airbags
Brake fluid
Engine oil
