2-66.
Which of the following means of
determining clearances will NOT
leave an impression in the soft
bearing metal?
1.
Leads
2.
Shim stock
3.
Feeler gauge
4.
Plastigage
2-67.
Which of the following senses is
NOT used by the diesel engine
troubleshooter?
1.
Smell
2.
Sight
3.
Hearing
4.
Taste
2-68.
Frequently, instruments give the
first symptoms of trouble. To
detect a variation from normal,
the troubleshooter must take which
of the following actions?
1.
Memorize the specified
engine-operating instructions
2.
Report the instrument readings
to the EOOW
3.
Read the instruments and
record their indications
regularly
4.
Each of the above
2-69.
Which of the following actions
will be the greatest aid in
detecting minor leakage?
1.
Standing watch
2.
Conducting material inspection
3.
Conducting administrative
inspection
4.
Conducting routine cleaning
2-70.
When a diesel engine can neither
be cranked nor barred over, which
of the following troubles is most
probably indicated?
2-71.
Which of the followinq is a
symptom of excessive clearance
between a piston and its cylinder.?
1.
Piston slap
2.
Less oil consumption
3.
Minimal carbon deposits
4.
Each of the above
2-72.
Which of the following factors
could cause piston seizure?
1.
Excessive temperatures
2.
Excessive cooling
3.
Decrease in the rate of
oxidation
4.
Both 2 and 3 above
2-73.
The best method for locating
cracks in connecting rods is with
an inside micrometer.
1.
True
2.
False
2-74.
Which, if any, of the following
measurements, indicates that main
bearing wear has occurred?
1.
Clearance between the bridge
gauge and shaft
2.
Variation between the measured
clearance and the clearance
stamped on the bearing housing
3.
Variation between last crank
web deflation and present
4.
None of the above
2-75.
When troubleshooting diesel
engines, you should associate lack
of engine power with which of the
following systems?
1.
Lubrication
2.
Cooling
3.
Fuel
4.
Each of the above
1.
A depleted air supply
2.
An open cylinder relief valve
3.
An improperly engaged turning
gear
4.
An out-of-time air-starting
motor
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