单选题燃油系统中滤器堵塞的现象表现为（）。A滤器前燃油压力急剧升高B滤器前后燃油压力差增大C滤器后燃油压力急剧升高D滤器前后压力差变小
单选题
燃油系统中滤器堵塞的现象表现为（）。
A
滤器前燃油压力急剧升高
B
滤器前后燃油压力差增大
C
滤器后燃油压力急剧升高
D
滤器前后压力差变小
参考解析
解析：
暂无解析
相关考题：
单选题The defective places in the furnace （） with fire bricks.Ashould be pavedBshould be cleanedCshould be dismantledDshould be welded
单选题船停车后的停船距离（冲程）是指：（）.A船舶在直航中停止主机至船舶对水停止移动的滑行距离B船舶在直航中停止主机至船舶对地停止移动的滑行距离C船舶在旋回中停止主机至船舶对水停止移动的滑行距离D船舶在旋回中停止主机至船舶对地停止移动的滑行距离
单选题In the Northern Hemisphere you are caught in the dangerous semicircle of a storm with plenty of sea room available. The best course of action is to bring the wind on the（）.Aport quarter and make as much headway as possibleBstarboard quarter and make as much headway as possibleCstarboard bow and make as much headway as possibleDport bow and make as much headway as possible
单选题Distress flares and smoke signals for small passenger vessels（）.Aare not required aboard vessels on runs of less than 30 minutes durationBmust be Coast Guard approved and stowed in a portable，watertight containerCmust be marked with an expiration date not more than 42 months from the date of manufactureDAll of the above
单选题在航次租船合同下，承租人指定了一个卸货泊位，并确知在此泊位能完成卸载作业，但在卸货中港口主管机关令船移泊，则此移泊的时间（）.A应记入装卸时间B不应记入装卸时间C移泊时间的1/2记入装卸时间D移泊时间的1/4记入装卸时间
单选题The principal advantage of NAVTEX radio warnings is that（）.Athey can be used by mariners who do not know Morse codeBonly an ordinary FM radio is necessary to receive these warningsCinformation on a given topic is only broadcast at specified timesDthey cover a broad spectrum of the radio band allowing reception on almost any type of receiver
单选题The value of the controlled variable, which under any fixed set of conditions the automatic controller operates to maintain, is known as （）Aset pointBcontrol pointCdeviationDoffset
单选题（）is the navigational timekeeper of the vessel.AThe marine sextantBThe chronometerCThe magnetic compassDThe gyrocompass
单选题Disinfector in the sewage biological treatment plant usually is （）Achlorine waterBozoneChypo-calcium chlorideDcalcium oxide
单选题船舶发生碰撞全面检查，符合下列哪些条件时可续航：（） Ⅰ主、辅机无损，情况良好 Ⅱ船体破损部位进水经采取措施后得以控制 Ⅲ船舶具有正稳性及一定的保留浮力 Ⅳ一舷救生设备受损AⅠ～ⅣBⅠ、Ⅱ、ⅣCⅠ～ⅢDⅡ～Ⅳ
单选题Sour crude oil（）.Acontains high quantities of hydrogen sulfideBis diluted with other products for carriageCis lighter than other crudesDis less hazardous to load than other crudes
单选题船体修理要求中，对局部疤状腐蚀，如疤状腐蚀宽度大于（），深度达到原建造厚度的（）时，原则上要求局部割换。A40mm，40％B50mm，40％C50mm，50％D40mm，50％