WorksheetsDriveshafts
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
What is one of the most common causes of universal joint and driveshaft failures?
a)
Lack of proper lubrication
b)
Free Play
c)
Rust
d)
Radial Play
2.
Which of the following tools is preferred when separating a U-joint from a driveshaft?
a)
a slide hammer
b)
a puller
c)
a sledge hammer
d)
a hydraulic jack
3.
A driveshaft is in phase when
a)
the driveshaft yoke is aligned on the same plane as the transmission yoke
b)
all of the above
c)
the driveshaft is perfectly balanced
d)
the slip yoke and driveshaft tube yoke lugs are perfectly aligned
4.
What is the material of choice for the driveshaft tube for the heavy-truck market because of its strength?
a)
Aluminum
b)
Brass
c)
Fiberglass
d)
Steel
5.
A single u-joint may sometimes have two grease fittings in the cross, and both are required to be greased when servicing
a)
True
b)
False
6.
When lubricating a U-joint, fresh grease appears at all four trunnion seals. Which of the following is probably true?
a)
the bearings are worn and should be replaced.
b)
the U-joint has been properly lubricated
c)
the trunnions are worn and the U-joint should be replaced.
d)
the seals are worn and should be replaced.
7.
_____________ allows for the driveshaft to lengthen and shorten due to suspension movement.
a)
Universal Joint
b)
Carrier Bearing
c)
End Yoke
d)
Slip Yoke
8.
When greasing a U-joint, grease only exits from three of the four journal seals on the trunnion. What should you do 1st?
a)
Replace the U-joint.
b)
Leave it; three of four journals are good enough
c)
Heat the trunnion with a rosebud.
d)
Loosen the journal cap and try again.
9.
U-joint failures, hanger bearing failures, and driveline vibrations are caused by
a)
Loose Yokes
b)
bent driveshafts
c)
missing balance weights
d)
all of the above
10.
Center bearings are typically permanently ___________.
a)
Restricted
b)
Lubricated
c)
Connected
d)
Mounted
100 %
