2-61.
Personnel inexperienced in tire
repair should only repair tires
under direct supervision of an
experienced person.
1.
True
2.
False
2.
Learning Objective:
Recognize
the principles and components
of brake systems.
2-62.
A brake system must not only stop
a unit of CESE but also must stop
it in a smooth, uniform motion.
1.
True
2.
False
2-63.
Which of the following items of
a brake system is the operators
responsibility to check during
prestart operations?
1.
Brake fluid level
2.
Loose connections or parts
3.
Leaks
4.
Each of the above
2-64.
Which of the following types of
brakes are classified as individual
brakes?
1.
External contracting
2.
Internal expanding
3.
Disc
4.
All of the above
2-65.
Which of the following types of
brakes cannot withstand the high
pressure required to produce the
friction needed to stop a heavily
loaded vehicle?
1.
Disc
2.
Drum
3.
External contracting
4.
Internal expanding
2-66.
For what system are internal
expanding type of brakes
exclusively used?
1.
Vehicle trailer brakes
Vehicle wheel brakes
3.
Brakes for controlling speeds
of auxiliary drive shafts
4.
Winch brakes
2-67.
When the breaking action is no
longer required of an internal
expanding brake system, the brake
shoes are returned to their
original position by what power
source?
1.
Vacuum pull
2.
Brake fluid pressure
3.
Force of retracting springs
4.
Force of gravity
2-68.
Which type of braking system has a
pair of flat pads instead of curved
brake shoes?
1.
Disc
2.
Mechanical
3.
Air
4.
Electrical
2-69.
A mechanical parking brake may
be either linked mechanically to
the rear wheel brakes or external
contracting brake bands located
on the drive shaft.
1.
True
2.
False
2-70.
In a hydraulic brake system, what
component controls the movement of
the brake shoes at each wheel?
1.
The wheel cam
2.
The wheel cylinder
3.
The wheel crank
4.
The wheel gear
2-71.
On a vehicle brake system, where
are the larger wheel cylinders
mounted?
1.
The rear wheels
2.
The front wheels
3.
The front and rear left wheels
4.
The front and rear right wheels
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