explain bilge and ballast pumping through ejector ?

[单选题]The function of the bilge keel is to（）.A . reduce the rolling of the vesselB . serve as the vessel's main strength memberC . add strength to the bilgeD . protect the vessel's hull when alongside a dock

[单选题]A． segregated ballast system is a system whereA．all ballast is processed through the oily water separatorB．ballast is taken on and discharged through a separate main deckC．ballast and cargo tanks are separated by cofferdamsD．all ballast lines, tanks,

[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 . check the bilge drain plug

[单选题]Before pumping up the crankcase oil,（） should be worked by hand to minimize corrosive action on the liners.A . the indicatorsB . the starting valvesC . the cylinder lubricatorsD . the turning gear

[单选题]F．or the bus, all stations attach, through appropriate hardware()known as a tap, directly to a linear transmission medium, or bus.A．processingB．switchingC．routingD．interfacing

[单选题]While sailing in ballast under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine isA．the exhaust temperatureB．the speed of main engineC．the turbine rotation speedD．the power of main engi

[试题]H．ow to pump out bilge water in the engine room?

[单选题]Ballast water can only be（）in cargo tanks in exceptional cases where the particular character of the operation of an oil tanker renders it necessary to carry ballast water in excess of the quantity required，provided that such operation of the oil tan

[单选题]The school advisers help you talk through your problem but they don’t give you any direct ______.A． solutionB． targetC． measureD． function

[填空题] 英译中（Translate）：light-activatedH+-pumping ATPase（）