A、closed discharge valve
B、broken pipe line
C、worn shaft
D、both A and B
更多“A water pump can not supply water after startingIt may be caused by （）.”相关的问题
A、water seal pipe is plugged B、pump is not primed C、seal ring is improperly located D、impeller is flooded
A、too little seal water B、improper gravity disc C、oil discharging pump not working very well D、low water level of the working water
A、A.soft water pump was not secured along with the engine B、B.jacket water thermostat has failed C、C.cylinder liner may be cracked D、D.raw water pump is over-speeding just prior to engine shutdown
A、Main circulator pump jacket water cooling B、Salt water service pump C、Auxiliary condensate pump D、Bilge pump
A、holding its slops onboard until they can be pumped into the city sewer system B、circulating them through the lube oil purifier to remove water and debris C、holding its slops onboard until they can be discharged to a shore side reception facility D、pumping them into a settling tank for separation before pumping the oily water residue overboard
A、pump must always be primed B、volute must impart a radial and rotary motion of the water suction side C、connection must guide the liquid to the lantern rings D、stuffing box should not be allowed any water leakage
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