A.metal particles loosened by wear
B.air when no air cleaners are used
C.condensation of water vapors
D.breakdown of the lubricating oil by dilution
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A.metering
B.timing
C.rate of injection
D.rate of distribution
A.dynamically balanced
B.statically balanced
C.counter balanced
D.resonantly balanced
When centrifuging heavy fuel oil, an important factor to consider is the （）
(1) flow rate
(2) viscosity of the fuel oil
A.(1) only is correct
B.(2) only is correct
C.both (1) and (2) are correct
D.neither (1) or (2) are correct
A.oil suction line restriction
B.correct amount of coolant
C.cavitation erosion in the water jackets
D.clogged sea suction strainer
A.overspeed trip
B.audible/visual alarm
C.the ships/boats general alarm
D.reserve oil storage tank
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Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Proper filtering and straining of fuel oil is important because the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Diesel engine control can be obtained by the bridge （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A diesel engine piston ring face is in direct contact with the （）.