更多"The oil （） in the discharging water"的相关试题:
[单项选择]When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
A. Should not exceed
B. Must be up to
C. Should exceed
D. Should be about
[单项选择]When discharging an oil cargo，the first consideration is to（）.
A. get the bow up
B. discharge from the wings first
C. discharge from the centerline tanks first
D. discharge from amidships first
[单项选择]When discharging bilge water, which criteria must be observed?（）
A. The requirement for the oil content of bilge water discharged is 15 ppm
B. No discharge in sensitive waters
C. Any discharge in sensitive waters
D. International, national or local requirements have to be observed
[单项选择]The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is （）
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
[单项选择]In an oil cooler circulated by sea water, the oil is at a larger pressure, the result being that any leak in the cooler will mean a loss of （）.
A. oil
B. sea water
C. refrigerant
D. fresh water
[单项选择]（）can not cause oil flow from water outlet of self-cleaning separator.
A. Oil temperature too high
B. Diameter of gravity disc too large
C. Oil temperature too low
D. High level tank out of water
[单项选择]（）can cause oil flow from water outlet of a separator.
A. Oil inlet valve opening too quickly
B. Oil temperature too high
C. Diameter of gravity disc too small
D. Viscosity of oil too low
[单项选择]（） is the production of pure water from sea water by evaporation and re-condensing.
A. Evaporation
B. Circulation
C. Condensation
D. Distillation
[单项选择]We use （） to distill fresh water from sea water.
A. engine
B. sea water pump
C. cylinder cooler
D. fresh water generator
[单项选择]Distilled water from an evaporator may be discharged into a potable water tank （）.
A. through a detachable hose connection
B. after passing through an activated charcoal filter
C. after chemical analysis shows it is fit for consumption
D. through a solenoid operated three-way valve
[单项选择]In a complete oil/water separator, more oil will separate out onto the underside of these plates and travel outwards until it is free to rise into the oil collecting space Whats the meaning of "it" in the sentence above?（）
A. a separator
B. oil
C. water
D. an oil collecting space
[单项选择]Where is the cooling water from the compensating tank in the cooling water system of main engine lead to?（）
A. discharge side of the centrifugal pump
B. suction side of the centrifugal pump
C. the lowest point of the cooling water system
D. inlet of the main engine
[单项选择]The valve that prevents water from backing out of the boiler into the feed line is the（）.
A. bottom-blow valve
B. skin valve
C. feed-check valve
D. feed-stop valve
[单项选择]The most effective method in removing water from diesel fuel oil is by（）
A. centrifuging the fuel
B. using it in the engine
C. heating the fuel tanks
D. starting the fuel
[单项选择]The separation of impurities and water from （） is essential for good combustion of diesel engines.
A. lube oil
B. fuel oil
C. turbine oil
D. grease
[单项选择]In an oily water separator the oil will travel （） to the oil collecting spaces.
A. upwards
B. downwards
C. outwards
D. forwards
[单项选择]The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.
A. should agitate
B. should not agitate
C. should mix up
D. should not add up
[单项选择]If oil density were greater than water’s, the oil separator （）.
A. did work
B. would work well
C. didnt work
D. wouldnt work
