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单选题
The bilge main is arranged to drain any watertight compartment （） ballast, oil or water tanks and to discharge the contents overboard.
A
rather than
B
other than
C
in addition that
D
except for
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one additional means of starting the main engine
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单选题Where tanks are arranged for either oil or ballast, （） must be fitted in the pipeline.A
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单选题The bilge pump on a fishing vessel（）.A
must be fixed if the vessel exceeds 12 meters in lengthB
may be used as a fire pumpC
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must be capable of pumping at least 450 gpm
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单选题An emergency bilge pumping system is provided and should be （） of the main bilge pumping system, according to the SOLAS 74 Convention.A
dependentB
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单选题Accidental flooding of the engine room bilges by the bilge main is prevented by （）.A
stop-check valves installed in the bilge manifoldsB
using a positive displacement reciprocating bilge pumpC
installing eductors in all bilge rose boxesD
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单选题Which of the following operations aboard a tanker must be recorded in the Oil Record Book （）A
Any internal transfer of oil cargo during a voyageB
The discharge overboard in port or at sea of any bilge water accumulated in machinery spacesC
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单选题Where should life jackets be stowed?（）.A
In the forepeakB
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单选题The SOLAS convention about “passenger ship and dried food ship damage control” prescribes that the engine room emergency bilge water suction should connect with （）A
the main S-W pumpB
ballast pumpC
air-conditioning water pumpD
the main S-W pump or ballast pumps that have the biggest output
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单选题（） system is arranged to ensure that water can be drawn from any tank or the sea and discharged to any other tank or the sea as required to trim the vessel.A
The domestic waterB
Bilge waterC
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The ballast
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单选题How are riveted lap joints made watertight（）.A
The faying surfaces are coated with white lead（or similar product）before the rivets are setB
A sealing weld bead of 1/8 or less pitch is run along the plate edgeC
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单选题In view of（）bilge water from any vessel，an application shall be made to Harbor Authorities for approval．A
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单选题When fueling has been completed（）.A
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the engine should be started immediately to prevent vapor lock in the fuel lineC
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open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
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单选题Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.A
a sea water chestB
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a buffer tankD
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考题
单选题If an operating bilge pump is developing good vacuum, but is unable to discharge any water, which of the following problems is the most probable cause?（）A
The wearing rings are excessively wornB
The suction strainer is cloggedC
The discharge valve is cloggedD
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考题
单选题The emergency bilge suction valve is typically used （）.A
to inject cleaning additives when the bilges are extremely dirtyB
when the main condenser becomes fouled, in order to provide additional cooling water circulationC
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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
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单选题If water is rising in the bilge of a lifeboat，you should FIRST（）.A
abandon the survival craftB
check for cracks in the hullC
shift all personnel to the sternD
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单选题After launching，an inflatable raft should be kept dry inside by（）.A
opening the automatic drain plugsB
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using the electric bilge pumpD
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