Learning Objective:
Recognize
the principles and components of
lubricators, pumps, and sweepers.
11–9.
When removing a grease gun from
a fitting, you should take what
action to avoid damaging the
fitting or the grease gun coupler?
1.
Twist the coupler to one side
2.
Pull the coupler straight back
3.
Work the coupler up and down
as you apply backward pressure
4.
Give the coupler a short, hard
pull
11-10.
Overgreasing equipment can cause
11-11.
11-12.
11–13.
damage to seals and packings.
1.
True
2.
False
What does the acronym MSDS mean?
1.
Material Supply Dispatch
System
2.
Mud Slinging Drill System
3.
Material Safety Data Sheet
4.
Management Systems Design
Specialists
A pump uses what type(s) of force
to move liquid from one point to
another?
1.
Pushing only
2.
Pulling and pushing only
3.
Throwing and pulling only
4.
Pushing, pulling, and throwing
What term is used to describe the
part of a pump where mechanical
motion is applied to the liquid
being pumped?
1.
Liquid end
2.
Rotating end
3.
Power end
4.
Prime mover end
11-14.
In a diaphragm pump, what force
moves the liquid from intake to
discharge?
1.
Centrifugal motion
2.
Rotary motion
3.
Reciprocating motion of
a flexible diaphragm
4.
A rocking motion of a impeller
11-15.
The mud hog and water hog are what
type of pumps?
1.
Centrifugal
2.
Diaphragm
3.
Rotary
4.
Gear
11-16.
Fluid entering the centrifugal
pump is first directed in what
location?
1.
The diaphragm
2.
The blades of the rotor
3.
The center of the impeller
4.
The splines of the fan clutch
11–17.
When you are starting a
centrifugal pump, the discharge
valve should be in what position?
1.
Open
2.
Run
3.
Stop
4.
Closed
Learning Objective:
Recognize
the principles and components
of sweepers and snow removal
equipment.
11–18.
A pull type of sweeper removes
debris from a sweep area in which
of the following ways?
1.
By windowing debris to
the side
2.
By vacuuming up debris
3.
By washing the debris
4.
By pushing the debris straight
ahead of the sweeper
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