Worksheetsbrakes Leve2
Total questions: 55
Worksheet time: 33mins
What is the function of the brake system?
Convert kinetic energy into heat energy
Convert static energy into heat energy
Restricting the ability of the rotor to spin through mechanical force
Convert kinetic energy into solar energy
How do you know which type of fluid a vehicle takes?
Owners manual
Service Manual
Reservoir Cap
Any of the above
What is pictured?
ABS Sensor
Brake Line
Brake Hose
Banjo Bolt
What is pictured?
ABS Sensor
Brake Line
Brake Hose
Banjo Bolt
What are the 2 types of systems in the basic brakes system?
Parking & Emergency Brake
Parking and stopping Brake
Service and Parking Brake
Service and Stopping Brake
The master cylinder is made up of _______.
Cups/Seals
Pistons
Aluminum Body
All of the above
None of the above
Brakes systems can be ______
A) Front Rear Split
B) 4 wheel split
C) Diagonal Split
D) All the above
E) A & C are correct
What should you do if brake fluid spilt on car paintwork?
Tell your supervisor.
Apply absorbent granules, then sweep up and shovel into hazardous waste
Wash immediately with water and clean cloth
Check that it is correct fluid for car
When a mechanical wear indicator comes into contact with the brake disc it:
Plays a ring tone
Gives an audible signal
Turns brake lights on
Beeps for twenty seconds
Why is there a button on the handbrake lever?
to adjust the lever
to release the ratchet & pawl
to lock the ratchet and pull
for good luck
How often should DOT 5 brake fluid be replaced?
Every four years
24,000 miles
48,000 miles
Every two years
What does this warning lamp mean?
Brake fluid requires replacing
Brake fluid too hot
Brake shoes worn
Brake fluid low
Parking brakes do not use hydraulics.
True
False
One advantage of Electric parking brakes is:
The hand bake can apply itself
allows car to self park
more mechanical linkage can be used
It is cheaper than conventional systems
Self-adjusting brakes mean that they:
Electrically operated.
Fitted to rear only
Adjust as they operate
Require manual adjustment once a year
How is brake force distributed on an hydraulic system?
Using Pascal's Law we use larger pistons at rear.
It is always a fixed ratio 70:50
Using a load compensation valve to vary the amount to fluid through valve.
The master cylinder has a servo booster on it
All of the following are true about brake calipers except:
They typically bolt to a caliper mounting braket
They apply the brakes shoes
They house a piston that is applied by pressurized brake fluid
The can be used in the front or rear of a vehicle.
Dot 3 or Dot 4 brake fluids are typically ________ in color.
Red
Amber
Purple
Blue
What component reduces the pressure to the rear brakes?
Proportioning Valve
Vacuum Booster
Metering Valve
Pressure Differential Switch
What component is pictured?
Vacuum Booster
Master Cylinder
ABS Control Unit
Pressure Differential Switch
What component is pictured?
Vacuum Booster
Drum
Rotor
Backing Plate
What percentage of the braking force comes from the rear brakes in a typical front wheel drive vehicle
10
30
50
70
Tech A says that if friction is too low, the brakes may require excessive pressure
Tech B says that if the friction is too low, the brakes may be overly sensitive
Who is correct?
Tech A
Tech B
Both
Neither
The more weight a moving vehicle has, the
more Kinetic Energy if possesses
greater the tire footprint is
less heat is needed to move the vehicle
less stopping power it requires
Brake Warning lights are what color(s)
Red for service brakes and orange for ABS
Red for service brakes and yellow for ABS
Yellow for service brakes and red for ABS
red for service brakes and red for ABS
Annual inspections of brake linings are recommended for all vehicles with more than
20k
40k
60k
100k
What re some advantages of disc brakes over drum brakes
better fade resistance
reduced pullin and grabbing
both are correct
neither
Hygroscopic means:
Easily absorbs moisture
Easily repels moisture
It is safe to put on paintwork
Silicone based
Hydrophobic means:
Easily scared of water
It repels water
It easily absorbs moisture
Can be ingested
DOT 4 Plus and DOT 5 brake fluid never need replacing as they are Hydrophobic.
True
False
Brake fluid must meet SAE and DOT specifications for:
Viscosity, Lubrication, Low freezing & Water tolerant
Corrosive, High freeze point, High boiling & Lubrication
Non- Corrosive, Low Boiling, Lubrication & Viscosity
Water intolerant, Lubrication, Low boiling & Non-corrosive
Which brake system is safest?
Single circuit because less to go wrong
Drum brakes because water cannot get in drums
Dual circuit brakes as secondary circuit is backup.
non servo assisted brakes
How are brakes divide on a diagonal split braking system?
one circuit on front, one on rear wheels
there are two pipes to each wheel
One front brake and opposing rear brake.
One front and one rear on same side of car
On a compression engine vehicle how is the Vacuum applied?
There is a valve on the inlet manifold.
There is a valve on the exhaust manifold.
CI engines use air brakes so not required.
There is a vacuum pump.
When driver removes pressure from brake pedal the brakes are return by:
Vacuum in the Hydraulic system
The deformed seals and return springs
Adjusters working on screw threads
Anti-friction backing plates
The purpose of braking systems are:
To slow the Vehicle, bring to a stop & remain stationary
Hand Brake, Foot Brake & Service Brake
Emergency, Hand & Parking Brakes
Hygroscopically operated
