海船船员考试
单选题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 sludgeB the coarse strainer before the pump in suction system is cloggedC the screw pump
题目
the sensor of low oil level is fully covered by sludge
the coarse strainer before the pump in suction system is clogged
the screw pump is worn seriously and volumetric efficiency is decreased
bilge suction value is clogged
相似问题和答案
第1题：
The ______is used to burn oil sludge.
A.clarifier
B.oily water separator
C.incinerator
D.distiller
第2题：
An oil tanker operating with dedicated clean ballast tanks shall be equipped with ______，approved by the Administration on the basis of specification recommended by the Organization，to enable supervision of the oil content in ballast water being discharged．
A.An oil content meter
B.An oil checker
C.An analyzer of oil content
D.A mixer of oily water
第3题：
______continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity(不透明性) measuring track.
A.The oil mist detectors
B.The smoke detectors
C.An oily water monitor
D.Oil discharge monitoring and controlling system
第4题：
holding its slops onboard until they can be pumped into the city sewer system
circulating them through the lube oil purifier to remove water and debris
holding its slops onboard until they can be discharged to a shore side reception facility
pumping them into a settling tank for separation before pumping the oily water residue overboard
第5题：
100PPM oily water separator
Assembling the lube oil purifier as a separator and aligning bilge overboard
A 15PPM oily water separator
A magnetic duplex strainer
第6题：
The requirement to carry an Oil Record Book does not apply to a ship that ______.
A.is not equipped to discharge overboard any oil or oily mixture
B.is on an international voyage to a country that is a party to MARPOL
C.has an International Oil Pollution Prevention Certificate
D.has an oily water separator of sufficient capacity for the oil wastes generated
第7题：
filter
hole
pollution
content
第8题：
When started, a complete oily water separating unit is first filled ______. The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.
A.with dirty water
B.with clean water
C.by oily water
D.by mixed water
第9题：
try to find out where the oil is coming from
call the Master
have the pump man check the discharge piping
shutdown operations
第10题：
an oil content meter
an oil checker
an analyzer of oil content
a mixer of oily water