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单选题
Which of the following pumps will most affect oily water separator performance and give the worst result?（）
A
reciprocating pump
B
vane pump
C
screw pump
D
centrifugal pump
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单选题Which of the following pumps is most suitable for an oily water separator?（）A
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vane pumpC
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axial-flow pump
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overhauling every two yearB
working at intervalsC
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单选题Which of the equipment listed is most effective in processing bilge slops for overboard discharge?（）A
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单选题A segregated ballast system is a system where （）A
all ballast is processed through the oily water separatorB
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ballast and cargo tanks are separated by cofferdamsD
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BusC
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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
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单选题Which of the followings will affect the spray of fuel oil?（）A
coke depositsB
cylinder water temperatureC
asphalt in fuel oilD
lub oil
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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
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单选题Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.A
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reduction of drill water from the storage tanksC
a list caused by water filling the compartmentD
a reduced KG caused by water filling the compartment
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单选题Prior to entering a cargo pump room, you should ensure that （）.A
the forced ventilating system is operatingB
the cargo pumps are securedC
no monocarbon gases are presentD
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Suitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling
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单选题The most suitable pump for oily water separator feed duties is （）.A
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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
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the temperatureB
the viscosityC
the gravityD
the size
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CopperB
Copper and carbonC
CarbonD
Bronze
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单选题Which of the following types of hydraulic pumps would be used in a steering system?（）A
LobeB
ScrewC
Radial pistonD
Volute
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Gaming PCB
Home theater PCC
Thick clientD
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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
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单选题If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged?（）A
CentrifugalB
GearC
PropellerD
Turbine
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单选题Which of the following liquids can ordinarily be discharged overboard without being processed through an oily water separator?（）A
Cargo tank ballastB
Segregated ballastC
Engine room bilgesD
Cargo pump room bilges
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