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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 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
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更多 “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 is worn seriously and volumetric efficiency is decreasedD bilge suction value is clogged” 相关考题
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______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 detectorsB.The smoke detectorsC.An oily water monitorD.Oil discharge monitoring and controlling system
考题
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 waterB.with clean waterC.by oily waterD.by mixed water
考题
The ______is used to burn oil sludge.A.clarifierB.oily water separatorC.incineratorD.distiller
考题
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 mixtureB.is on an international voyage to a country that is a party to MARPOLC.has an International Oil Pollution Prevention CertificateD.has an oily water separator of sufficient capacity for the oil wastes generated
考题
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 meterB.An oil checkerC.An analyzer of oil contentD.A mixer of oily water
考题
单选题The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out.A
filterB
holeC
pollutionD
content
考题
单选题Which of the equipment listed is most effective in processing bilge slops for overboard discharge?（）A
100PPM oily water separatorB
Assembling the lube oil purifier as a separator and aligning bilge overboardC
A 15PPM oily water separatorD
A magnetic duplex strainer
考题
单选题If you detect oil in the water around your vessel while discharging fuel, the FIRST thing to do is（）.A
try to find out where the oil is coming fromB
call the MasterC
have the pump man check the discharge pipingD
shutdown operations
考题
单选题A new ocean going ship of 2000 gross tons having an inoperative oily water separator may dispose of its bilge slops by （）.A
holding its slops onboard until they can be pumped into the city sewer systemB
circulating them through the lube oil purifier to remove water and debrisC
holding its slops onboard until they can be discharged to a shore side reception facilityD
pumping them into a settling tank for separation before pumping the oily water residue overboard
考题
单选题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 meterB
an oil checkerC
an analyzer of oil contentD
a mixer of oily water
考题
单选题Which of the following is wrong about operation of oily water separator?（）A
filled with clean water before operationB
keep air cushion in oil collecting space during runningC
check oil level during runningD
clean inner separator with low pressure stream
考题
单选题Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）A
Water discharging from the water outlet of the lube oil purifierB
Fuel oil discharging from the water outlet of the lube oil purifierC
Lube oil discharging from the water outlet of the lube oil purifierD
A change in the lube oil viscosity
考题
单选题During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? （）A
The quantity of oil residues generatedB
The capacity of sludge and bilge water holding tankC
The capacity of the oily water separatorD
All of the above
考题
单选题When oily water separator is operating, which measure （） is wrong.A
pay attention to operating parametersB
renew and clean separating units in timeC
check oil level in separator to prevent overloadD
check separating effect, if it is bad, flush with large capacity water pump
考题
单选题In an oily water separator the oil will travel （） to the oil collecting spaces.A
upwardsB
downwardsC
outwardsD
forwards
考题
单选题The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.A
should agitateB
should not agitateC
should mix upD
should not add up
考题
单选题Oily water separator mis-alarms, the most possible reason is （）A
separating oil too fastB
the sensor flushed badlyC
the discharge solenoid value out of orderD
too low heating temperature
考题
单选题A centrifuge arranged to separate impurities and small amounts of water from oil is known as （）.A
an oily water separatorB
a purifierC
a centrifugal compressorD
a clarifier
考题
单选题The principle of separation by which all commercially available oily water separators function is （） differential between oil and water.A
the temperatureB
the viscosityC
the gravityD
the size
考题
单选题Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.A
temperatureB
viscosityC
densityD
velocity
考题
单选题What’s the advantage of oily water separator that meets the requirement of MEPC 60(33) over MEPC 107(49)?（）A
more economicB
larger capacity on oil treatmentC
less costiveD
more capable of separating emulsified oil
考题
单选题One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）A
seal water supply be cut offB
make up water supply be cut offC
oil outlet valve closed or not open sufficientlyD
the flow rate of oily water is too much
考题
单选题Bilges may be pumped （）.A
on the outgoing tideB
overboard after darkC
overboard through an oily water separatorD
anytime in an emergency, i-emain engine lube oil failure
考题
单选题（）are used to ensure that ships don’t discharge oil when pumping out oily water from any oil contaminated space.A
BoilerB
IncineratorC
Oily water separatorD
Sewage treatment unit
考题
单选题When discharging bilge water, which criteria must be observed?（）A
The requirement for the oil content of bilge water discharged is 15 ppmB
No discharge in sensitive watersC
Any discharge in sensitive watersD
International, national or local requirements have to be observed
考题
单选题The separating effect of oil separator is not very good, the reason may be（）A
too little seal waterB
improper gravity discC
oil discharging pump not working very wellD
low water level of the working water
考题
单选题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 mixtureB
is on an international voyage to a country that is a party to MARPOLC
has an International Oil Pollution Prevention CertificateD
has an oily water separator of sufficient capacity for the oil wastes generated
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