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单选题
The （）pump is usually used as the emergency bilge pump.
A
turbine
B
screw
C
vane
D
ejector
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更多 “单选题The （）pump is usually used as the emergency bilge pump.A turbineB screwC vaneD ejector” 相关考题
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The application tables owned by the user TEST in a test database need to be exported to the APPS schema in the production database by using Data Pump. Which option of Data Pump Import would you use to accomplish this？（） A、 ownerB、 touserC、 attachD、 remap_schema
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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
must be portable if there are more than 4 watertight compartmentsD
must be capable of pumping at least 450 gpm
考题
单选题The bilge system has been performing well; however, the aft starboard engine room bilgewell suddenly fails to be pumped outWhich of the following should be done first to determine the cause?（）A
Open the bilge pump for inspectionB
Remove each of the manifold valvesC
Remove only the manifold valve to the affected bilge-wellD
Attempt to pump out another bilge well to determine if the entire system is affected
考题
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
in dependentC
in seriesD
in parallel
考题
单选题A centrifugal bilge pump requires priming （）.A
primarily to lubricate the shaft sealsB
due to the inability of this type of pump to lift water to cover the suction (eye) of the impellerC
to initially unload the pump by having its head pressure equal to discharge pressureD
in order to overcome the potential energy of water in the discharge line
考题
单选题The （）pump is usually used as the bilge feed pump to an oily water separator.A
turbineB
screwC
vaneD
ejector
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单选题The application tables owned by the user TEST in a test database need to be exported to the APPS schema in the production database by using Data Pump. Which option of Data Pump Import would you use to accomplish this？（）A
ownerB
touserC
attachD
remap_schema
考题
单选题The emergency bilge suction or bilge （） is used to prevent flooding of the ship.A
injection valveB
relief valveC
discharge valveD
inlet filter
考题
单选题The emergency bilge suction or bilge injection valve is used to prevent （） of the ship.A
proceedingB
overloadingC
collisionD
flooding
考题
单选题During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）A
failure of the proper operation of emergency generatorB
insulation of piping including exhaust pipes in engine room contaminated by oilC
improper operation of bilge of bilge of bilge pumping arrangementsD
damaged sanitary pump
考题
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
考题
单选题Any emergency pump situated （）machinery space should also be started.A
outsideB
underC
besideD
besides
考题
单选题The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.A
should agitateB
should not agitateC
should mix upD
should not add up
考题
单选题According to the SOLAS convention, the bilge water system （）A
must connect the bilge well suction directlyB
should not pump out the water accumulated in the cargosC
should not used for emergency drainage in case of ship collisionD
should connect to the fire fighting system directly
考题
单选题If an emergency pump control is used as the emergency shutdown on a tank vessel，it must（）.A
stop the flow of oil at the main deck manifoldB
prevent the oil from leaving the shore facilityC
prevent the oil from siphoning through the pumpD
None of the above
考题
单选题If a bilge pump failed to build up discharge pressure, you should check for （）.A
excessive water in the bilgesB
a clogged suction strainerC
oil in the bilgesD
All of the above
考题
单选题You are unable to pump out the aft starboard engine room bilge well that is fouled, with one foot of water over the top of the bilge well, what actionshould be carried out?（）A
Send the wiper into the well with only a scoop and pailB
Remove the bilge manifold valve and attempt to back flush the lineC
Simultaneously operate all available bilge pumpsD
It is only necessary to transfer half the contents of a drum of degreaser into the bilge well
考题
单选题If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT （）.A
the circuit breakerB
for leaks in the suction pipingC
relief valve is not properly seatedD
the suction strainer
考题
单选题Oil water separators are used to ensure that ships don’t discharge oil when （） bilge water.A
to pump offB
being pumpedC
pumping outD
it pumping out
考题
单选题If an emergency pump control is used as the emergency shutdown on a tanker，it must（）.A
stop the flow of oil at the main deck manifoldB
prevent the oil from leaving the shore facilityC
prevent the oil from siphoning through the pumpD
None of the above
考题
单选题One of the consequences in continuing to operate a centrifugal bilge pump with the discharge valve closed, is that the （）.A
motor overload will openB
relief valve will openC
pump will overheatD
motor will overheat
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
to connect the rose box to the independent bilge suctionD
if the bilges become flooded and they can not be emptied by any other means
考题
单选题On modern ships, centrifugal pump with a self-primer has replaced reciprocating pump as bilge pump because（）A
centrifugal pump is cheaper than reciprocating pumpB
the size of centrifugal pump with same capacity is smaller than that of reciprocating pumpC
centrifugal pump makes maintenance easier than reciprocating pump doesD
all of the above
考题
单选题With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?（）A
Only one pump should be used at any timeB
The ship speed should be reduced to 70% of the normalC
Watch keeping of the steering gear should be increasedD
Limitations of the steering gear should be logged but the bridge need not be informed
考题
单选题The （）pump is usually used as the lubricating oil pump.A
turbineB
screwC
vaneejectorD
centrifugal
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