3-37.
When the starting motor of a
gasoline engine turns but fails to
crank the engine, the trouble is
usually found in the
1.
drive assembly
2.
engine timing
3.
fuel system
4.
ignition system
3-38.
Which of the following problems can
result from overpriming a gasoline
engine?
1.
An overheated engine
2.
An inoperative fuel pressure
gauge
3.
Stuck piston rings
4. Corroded piston crowns
3-39.
You are checking for trouble in a
fuel system that has a wobble pump.
If the pump feels or sounds dry,
where is the trouble probably
located?
1.
In the carburetor
2.
In the line to the fuel pump
3.
In the fuel pump
4.
Between the fuel pump and the
supply tanks
3-40.
If a gasoline engine with a
battery-type ignition system fails
to stop, what is the most likely
cause?
1.
The switch contact points are
open
2.
The ground connection is open
3.
The switch contact points are
closed
4. The battery terminals are
burned
3-41.
Oil purifiers are designed to give
maximum efficiency when you operate
the purifier at what limits?
1.
Minimum speed
2.
A speed determined by
prevailing conditions
3.
A speed between minimum and
maximum and below the rated
capacity
4.
Maximum designed speed and
rated capacity
3-42.
Most oil used by the Navy can be
heated to what maximum temperature
without damaging the oil?
1.
195°F
2.
190°F
3.
185°F
4.
180°F
3-43.
When the military symbol 9250 lube
oil is to be purified, it should be
heated to what specific
temperature?
1.
140°F
2.
160°F
3.
175°F
4.
180°F
3-44.
The size of the discharge ring used
in a purifier is determined by
which of the following factors?
1.
Viscosity of the oil
2.
Moisture content of the oil
3.
Sediment content of the oil
4.
Specific gravity of the oil
3-45.
What is the best method of
determining the efficiency of a
purifier?
1.
Oil clarity check
2.
Oil analysis
3.
Batch process
4.
Bowl sediment check
3-46.
Which of the following corrective
measures should you use to reduce
the number of engine governor
difficulties?
1.
Reduce the engine speed
2.
Increase the engine load
3.
Use clean oil
4.
Adjust the fuel linkage
3-47.
When installing a new or overhauled
governor, which of the following
governor components should you
adjust?
1.
Governor linkage
2.
Compensating needle valve
3.
Speed adjusting screw
4.
Speeder spring
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