Lesson 1
PRACTICE EXERCISE
1.
What is used to slow or stop a vehicle?
a.
b.
Momentum
c.
Inertia
2.
At what point is maximum retardation (slowing down) of a vehicle
reached?
a.
When brakes are first applied
b.
Just before the brakes lock
c.
When the brakes lock
3.
What is the advantage of selfenergizing brakes?
a.
Smoother brake action
b.
Increased pressure on the braking surfaces
c.
Decreases tendency to skid on sudden stops
4.
What is the purpose of the light spring between the cups of a
wheel cylinder?
a.
Return the piston to the released position
b.
Slow down the application of the brakes
c.
Keep the cups in position against the pistons
5.
Which of the following is an advantage of disk brakes over drum
brakes?
a.
Disk brakes fade less
b.
Disk brakes are selfenergizing
c.
Disk brakes are less expensive
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