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WorksheetsBrakes
Total questions: 10
Worksheet time: 5mins
Hydraulics uses what as its non-compressible medium
Air
Water
Oil
Grass
Which statement is correct
The braking system amplifies the pressure exerted by the drivers foot
The braking system decreases the pressure exerted by the drivers foot
The braking system equalises the pressure exerted by the drivers foot
The drivers foot had no direct correlation to the pressure on the braking system
What is mechanical advantage
a robot at a rugby match
what a mechanic has over the DIY’er
Decreased effort due to the introduction of mechanics
A system filled with oil
Is there any mechanical advantage with this picture
Yes
No
Not sure
What is the MA co-efficient of the above
2
4.9
6
3
This is the equation for
Ratio co-efficient
Rocket co-efficient
Sliding co-efficient
Friction co-efficient
What is friction
Microscopic peaks and troughs on surfaces interacting with one another
The ability to move two surfaces together with force
The resistance between two or more objects in contact
All the above
If the friction co-efficient is 0.9 is it
increased force needed to move
decreased force needed to move
No moving relationship
exerts the same force
If the pivot ratio of the foot pedal is 3:1 and the brake cylinder 2 times bigger than the pedal cylinder and 10N is applied to the pedal then the braking pressure is
120N
60N
10N
240N
Which of the following is not a brake drum component
Shoes
Drum
Pads
brake cylinder
