A.control axial movement of the crankshaft
B.transmit engine thrust to the propeller shaft
C.absorb vibrations in the propeller shafting
D.prevent propeller thrust from being transmitted to the hul
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A.wheelhouse control station
B.engine room control station
C.captains office
D.chief engineers office
A.a shortened ignition delay period
B.a lean fuel/air mixture
C.excess fuel in the combustion chamber
D.rapid vaporization of injected fuel droplets
A.at any time
B.only after the engine room control station is switched to “bridge control”
C.whenever the secondary station is switched to "bridge control"
D.with the approval of the chief engineer only
A.open the filter and inspect the elements
B.check the lube oil pump discharge pressure
C.check the lube oil header pressure
D.check the pressure drop across the filter
A.Exhaust and scavenging
B.Scavenging and compression
C.Ignition and expansion
D.Exhaust and compression
A.reduce the engine driven fuel pump outlet pressure
B.retard the fuel injector timing to reduce power
C.increase the fuel rack setting
D.reduce the load on the engine
A.double-acting engine
B.opposed pistons engine
C.single-acting engine
D.horizontal acting engine
A.holed
B.fouled
C.clean
D.dry
A.Defective temperature controls in the system
B.Cavitation in the cooling water pump
C.Opened vent in the cooling system
D.Restricted water passages in the engine
A.cylinder compression pressure may not be high enough
B.cylinder compression temperature may be too high
C.fuel oil injection pressure may not be high enough
D.scavenge and purge process is incomplete
最新试题
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
White smoke exhausting from an operating diesel engine may indicate （）.
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 （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
To determine if the lube oil filter elements need changing, （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The highest pressure in a diesel engine cylinder normally occurs （）.