海船船员考试轮机部三管轮模拟题5(轮机英语)
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The stability of a vessel is normally the greatest when all fuel and water tanks are full because the _____.
- A.center of gravity is lowered
- B.center of buoyancy is lowered
- C.reserve buoyancy is unchanged
- D.hull freeboard is increased
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Which of the listed problems would be indicated by an accumulation of water in one cylinder, in addition to the crankcase of an idle diesel engine?
- A.Excessive cylinder liner
- B.water in the fuel system
- C.Cracked cylinder liner
- D.Leaking lube oil cooler
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When turning the engine with turning gear, you should keep the indicator cocks _____.
- A.attached to the indicators
- B.opened
- C.closed
- D.broken
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During compressors running the accumulated moisture in the separators must be _____.
- A.drained off
- B.collected
- C.sent to the crankcases
- D.separated with oil
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The propeller is pushed on to the tubeshaft taper and made tight by _____.
- A.a mechanical seal
- B.keyway and key
- C.a nut
- D.shrinkage
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An oil in water monitor is required in order to measure _____.
- A.the oil content in water
- B.the water content in fuel oil
- C.the water level in bilge well
- D.the oil level in bilge well
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After received the “finished with engine” instruction, which of the following operations is false?
- A.shut off the starting air receiver outlet valve
- B.stop the F.O priming transfer pump and shut off the correspondence inlet and outlet valve
- C.stop the S.W pump immediately and shut off the correspondence inlet and outlet valve
- D.stop the F.W pump immediately and shut off the correspondence inlet and outlet valve
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The sludge tank installed in the diesel engine room is used to collect_______Isludge from the fuel oil settling tanks ad centrifuge IIwater that has been collected in the settling tank
- A.I only
- B.II only
- C.both I and II
- D.neither I or II
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Whether using a centrifuge or a simple filter, oil cleaning and filtration will be the most effective when the oil is at a _____.
- A.high temperature and a high viscosity
- B.high temperature and a low viscosity
- C.low temperature and a high viscosity
- D.low temperature and a low viscosity
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The actual rudder angle reading is .
- A.the rudder angle indicator reading
- B.the desired rudder angle reading
- C.the measured rudder angle reading
- D.the intended rudder angle reading
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