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WorksheetsBrakes 2
Total questions: 10
Worksheet time: 5mins
Which part of the braking system forms the emergency brake?
Brake Servo
Hand brake
Brake disc
Wheel cylinder
What is purpose of a tandem master cylinder?
To ensure enough brake fluid that air does not enter system
To allow equal pressure to the front wheels
To enable calipers to clamp brake disc
In the event of fluid loss 50% of brake will be available
Which of these statements is FALSE?
Smaller output piston gives smaller force and less travel
Smaller output piston has more travel but less force
Larger output piston gives more force but less travel
Hydraulic fluid does not compress
Pascal's Law states any pressure applied to a fluid in a closed system will:
transmit that pressure equally in all directions throughout the fluid
Transmit pressure in one direction only
Do nothing as fluid cannot be pressurised
move piston same amount of travel no matter the size
In order to know brake imbalance what must we do?
Add all of the brake efforts together and divide by car weight
Add all of the brake efforts together and multiply by car weight
Subtract the lowest effort from the highest effort, then divide by highest effort
Subtract the lowest effort from weight and divide by highest effort.
If we had 100% brake efficiency this would mean that:
The total applied force was equal to the weight of vehicle
Both front brakes had equal effort
Both rear brakes had equal effort
The car is fitted with ABS.
What is the purpose of a reservoir on the brake master cylinder.
These are only fitted to tandem systems
They remove air from system
They stop moisture getting into system
They provide sufficient fluid to prevent air being drawn into system
The reservoir cap is fitted with a fluid level indicator
True
False
A typical car with disc / drum brakes has:
Drum brakes all round
Disc brakes all round
Drum brakes at front & Disc at rear
Disc brakes at front & Drum on rear
Where can you find the correct Brake efficiency for a vehicle, in order for it to pass an MOT?
Autodata
Owners manual
Workshop manual
DVSA website
