A、the sensor of low oil level is fully covered by sludge
B、the coarse strainer before the pump in suction system is clogged
C、the screw pump is worn seriously and volumetric efficiency is decreased
D、bilge suction value is clogged
更多“The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is （）”相关的问题
A、Length of the discharge pipe B、Height of the discharge pipe C、Difference between the discharge and suction pressures D、Sum of discharge and suction pressures
A、The high discharge pressure of the rotary pumps permits a larger volume of fluid per unit time than the reciprocating pump B、Rotary pumps are capable of pumping more fluid than reciprocating pumps of the same weight C、Rotary pumps occupy only one-half the space of reciprocating pumps D、Rotary pumps eliminate discharge slippage of the pumped liquid, while this does not hold true for a reciprocating pump
A、The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles. B、If the vessel was on coastwise articles，the record of discharge will be made in the Official Logbook. C、An entry should be made in the book and a Certificate of Discharge issued to the seaman. D、A Certificate of Discharge form should be attached to the book
A、reducing the erosion of the cargo tanks B、increasing the total quantity of oil to carry C、reducing the quantity of water contained in oil D、reducing cargo discharged time
A、Synthetic plastic discharge plan B、Oil discharge plan C、Shipboard oil pollution emergency plan D、Vapor recovery procedures plan
A、They are self-priming B、Decreasing the speed of rotation will decrease the discharge pressure C、Opening the discharge valve wider will increase the discharge pressure D、All of the above
A、A.Water discharging from the water outlet of the lube oil purifier B、B.Fuel oil discharging from the water outlet of the lube oil purifier C、C.Lube oil discharging from the water outlet of the lube oil purifier D、D.A change in the lube oil viscosity
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