单选题The emergency bilge suction or bilge injection valve is used to prevent （） of the ship.AproceedingBoverloadingCcollisionDflooding
单选题
The emergency bilge suction or bilge injection valve is used to prevent （） of the ship.
A
proceeding
B
overloading
C
collision
D
flooding
参考解析
解析：
暂无解析
相关考题：
Accidental flooding of the engine room bilges by the bilge main is prevented by( ).A.stop-check valves installed in the bilge suction manifoldsB.using a positive displacement reciprocating bilge pumpC.installing educators in all bilge rose boxesD.installing a swing check before each bilge valve
单选题Where tanks are arranged for either oil or ballast, （） must be fitted in the pipeline.Aa change-over chestBa head tankCa emergency bilge pumpDan air cooler
单选题（） is used for washing and drinking.AThe ballast systemBThe salt water systemCThe bilge systemDThe domestic system
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?（）AOpen the bilge pump for inspectionBRemove each of the manifold valvesCRemove only the manifold valve to the affected bilge-wellDAttempt to pump out another bilge well to determine if the entire system is affected
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.AdependentBin dependentCin seriesDin parallel
单选题If a centrifugal bilge pump were continually operated with the discharge valve closed the （）.Amotor overload would openBrelief valve would openCpump would eventually overheatDmotor would overheat
单选题The （）pump is usually used as the bilge feed pump to an oily water separator.AturbineBscrewCvaneDejector
单选题Before loading bulk grain，bilge wells must be covered to（）.Aadd strength to the bilge well strainerBpermit rapid flow of water to the bilge wellsCprevent cargo sifting into the bilge wellsDprevent oil，water，or other liquid from reaching the cargo
单选题All bilge suction must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor-plate level for easy access.AstrainersBvalvesCelementsDseparators
单选题Accidental flooding of the engine room bilges by the bilge main is prevented by （）.Astop-check valves installed in the bilge manifoldsBusing a positive displacement reciprocating bilge pumpCinstalling eductors in all bilge rose boxesDinstalling a swing check before each bilge valve
单选题The emergency bilge suction or bilge （） is used to prevent flooding of the ship.Ainjection valveBrelief valveCdischarge valveDinlet filter
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?（）Afailure of the proper operation of emergency generatorBinsulation of piping including exhaust pipes in engine room contaminated by oilCimproper operation of bilge of bilge of bilge pumping arrangementsDdamaged sanitary pump
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 （）Athe main S-W pumpBballast pumpCair-conditioning water pumpDthe main S-W pump or ballast pumps that have the biggest output
单选题According to the SOLAS convention, the bilge water system （）Amust connect the bilge well suction directlyBshould not pump out the water accumulated in the cargosCshould not used for emergency drainage in case of ship collisionDshould connect to the fire fighting system directly
单选题An independent bilge suction is required for （）.Aballast tanksBsludge tanksCmachinery space bilgesDcargo hold bilges
单选题If a bilge pump failed to build up discharge pressure, you should check for （）.Aexcessive water in the bilgesBa clogged suction strainerCoil in the bilgesDAll of the above
单选题When installed for bilge pumping or ballast duty, centrifugal pumps require a （） to remove air from the suction pipe.Aair chamberBhead lankCprimerDprime mover
单选题If one of the bilge system manifold valves does not properly seat, the （）Abilge well connected to that valve, plus the second bilge well being pumped will be completely emptiedBbilge system will lose vacuum and prevent the other bilges from being pumped outCbilge well aft connected to that valve will siphon its contents to the forward bilge wellsDdischarge pressure will be too high
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?（）ASend the wiper into the well with only a scoop and pailBRemove the bilge manifold valve and attempt to back flush the lineCSimultaneously operate all available bilge pumpsDIt is only necessary to transfer half the contents of a drum of degreaser into the bilge well
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 （）.Athe circuit breakerBfor leaks in the suction pipingCrelief valve is not properly seatedDthe suction strainer
单选题One of the consequences in continuing to operate a centrifugal bilge pump with the discharge valve closed, is that the （）.Amotor overload will openBrelief valve will openCpump will overheatDmotor will overheat
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?（）AThe wearing rings are excessively wornBThe suction strainer is cloggedCThe discharge valve is cloggedDThe shaft is worn
单选题The emergency bilge suction valve is typically used （）.Ato inject cleaning additives when the bilges are extremely dirtyBwhen the main condenser becomes fouled, in order to provide additional cooling water circulationCto connect the rose box to the independent bilge suctionDif the bilges become flooded and they can not be emptied by any other means
单选题The major difference between the discharge and suction valves installed in most low pressure, reciprocating air compressors is that（）Aone valve seats upwards, while the other seats downwardsBthe reed valves used on the discharge are made substantially thicker and heavier than the suction valvesCthe suction valve springs exert a greater tension than the discharge valve springsDthe discharge valve springs exert a greater tension than the suction valve springs
单选题A bilge suction line，in a fishing vessel with more than 16 individuals aboard，must have a strainer with an open area not less than how many times the open area of the suction line?（）AoneBtwoCthreeDfour