网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
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
参考答案
参考解析
解析：
暂无解析
更多 “单选题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” 相关考题
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
A centrifugal pump may fail to deliver water when first started if the ______.A.water seal pipe is pluggedB.pump is not primedC.seal ring is properly locatedD.impeller is flooded
考题
A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?A.When the towing vessel enters the fogB.When the drilling rig enters the fogC.When the towing vessel can no longer be seen from the rigD.Immediately
考题
单选题A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （）A
When the towing vessel enters the fogB
When the drilling rig enters the fogC
When the towing vessel can no longer be seen from the rigD
Immediately
考题
单选题The following measures can be used to improve oily water separator’s separating effect except （）A
overhauling every two yearB
working at intervalsC
renewing filtration materialD
pumping bilge water from different layers respectively
考题
单选题If separating effect is not good, which measure should be taken （）A
working at intervals and properly heatingB
warming up to 70℃, increase water supply flowC
improving impulse of water supplyD
reducing water supply flow
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Upon arrival at a port, a vessel is not allowed （） her ballast water, tanker washings or bilge water and other oily water at will.A
to dischargeB
to be dischargedC
dischargingD
being discharged
考题
单选题When securing an AC generator, you should FIRST （）.A
open the generator circuit breakerB
switch the voltage regulator to “manual”C
decrease the field excitation to minimumD
reduce the load on the unit
考题
单选题When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）A
igniting boilerB
releasing air in sea water systemC
starting generatorD
cut off shore power
考题
单选题Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include（）.A
approved oily-water separating equipmentB
a fixed or portable containment system at the shore connectionC
a spare pump in case the main pump is inoperativeD
at least one outlet accessible from the weather deck
考题
单选题As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）A
Exhaust temperaturesB
Raw water pressureC
Lube oil pressureD
Air box pressure
考题
单选题Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include（）.A
approved oil-water separating equipmentB
a fixed or portable containment system at the shore connectionC
a spare pump in case the main pump is inoperativeD
at least one outlet accessible from the weather deck
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 most critical part of the bunkering operations, which can result in an oil spill, is when the （）A
hose joints are made upB
tanks are being topped offC
system is being lined upD
pumping operation is first started
考题
单选题A centrifugal pump may fail to deliver water when first started if the （）.A
water seal pipe is pluggedB
pump is not primedC
seal ring is improperly locatedD
impeller is flooded
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（）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When separating the lube oil without additive, it is usually cleaned with hot water; the aim is to remove （） from it.A
acidB
sludgeC
mechanical impurityD
salinity
考题
单选题If separating effect is not good, we can improve it by （）A
flushing separator with hot waterB
increasing water supply flowC
heat oily water properlyD
opening manual oil discharge value
考题
单选题In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）A
The required oily-water separator malfunctionsB
The ship is transferred to Liberian registryC
An annual survey is conducted fifteen months after the date of certificate issuanceD
A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator
热门标签
最新试卷