2-57.
When inserting new piston pin
bushings, what are the three
things you must check?
1.
Alignment, clearance, and
appearance
2.
Cleanliness, appearance, and
clearance
3.
Appearance, alignment, and
cleanliness
4.
Cleanliness, alignment, and
clearance
2-58.
Crankshaft journals that exceed
the specified tolerances for
out-of-roundness should be
refinished by which of the
following means?
1.
Stoning
2.
Grinding
3.
Filing
4.
Scraping
2-59.
A rough spot or slight score on a
crankshaft journal should be
removed by dressing with which of
the following materials?
1.
A fine sandpaper
2.
A crocus cloth
3.
A fine oilstone
4.
Both 2 and 3 above
2-60.
What instrument is used to take
crankweb deflection readings?
1.
A feeler gauge
2.
An outside micrometer
3.
A strain gauge
4.
A gauge block
2-61.
Impending bearing failures may be
indicated by which of the
following factors?
1.
Lower than normal lubricating
oil pressure and temperature
2.
Higher than normal lubricating
oil pressure and temperature
3.
Lower than normal lube oil
pressure and higher than
normal lube oil temperature
4.
Higher than normal lube oil
pressure and lower than normal
lube oil temperature
2-62.
What is the recommended corrective
action for journal bearings that
have small raised surfaces or
minor pits?
1.
Replace the bearing
2.
Stone down the raised surfaces
and fill in the pits with
solder
3.
Grind the surfaces with a hand
grinder
4.
Smooth down the surfaces with
a bearing scraper
2-63.
Before installing new or restored
bearings, what should you do?
1.
Wipe oil on the journal
surfaces only
2.
Wipe oil on the bearing
surfaces only
3.
Ensure that the surfaces are
clean and place a film of
clean oil on both the journals
and bearing surfaces
4.
Clean the bearings with
solvent and wipe dry
2-64.
Certain information is indicated
by markings placed on each half of
the connecting rod bearings when
they are removed from an engine.
These markings ensure that the
halves will be installed in their
original positions.
Which or the
following is an example of
sufficient and necessary
information being shown by a
marking?
1.
No. 2 cylinder
2.
No. 2 cylinder. upper half
3.
No. 2 cylinder, engine No.
311645
4.
Upper half, engine No. 311645
2-65.
Which of the following procedures
are acceptable for tightening
connecting rod bolts?
1.
Bolt elongation and bearing
cap compression
2.
Bearing cap compression and
slugging wrench tightening
3.
Torque wrench tightening and
bolt elongation
4.
Slugging wrench tightening and
using a wrench extender
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