单选题Main propulsion engine lube oil sumps should be constructed （）A so as to never be integral lubeB with a sloped bottomC only of nonferrous, noncorrosive metalsD with drain/return lines terminating just above or at the designed normal level

Which of the following is operated from the main engine room console on an automated vessel?

A.Fire pump and lube oil pump

B.Lube oil pump and distilling plant

C.Distilling plant and shaft alley door

D.Shaft alley door and fixed CO2 release

Lubrication for the main reduction gears used with diesel engines is usually supplied by

A.oil from the main engine sump

B.an independent lube oil system

C.the stern bearing head tank

D.the stem bearing sump tank

On a medium-speed main propulsion diesel engine, the crank-pin or crank journalbearings receive lubricating oil from( ).

A.a spindle lubricator

B.an oil jet

C.internal splashing

D.drilled passages in the crankshaft

Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an _____.

A.over-speed trip

B.audible/visual alarm

C.the ships/boats general alarm

D.reserve oil storage tank

In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .

A.all of the oil used by the engine through a filter

B.some of the oil used by the engine through a filter

C.some of the oil used by the engine through a centrifuge

D.all of the oil used by the engine through a centrifuge

The main propulsion diesel continues running after you try to shut down. You should now attempt to .

A.stop the fuel oil booster pump

B.engage the jacking gear

C.secure the lube oil pump

D.shut off the fuel at the settling tank