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单选题
Which of the following is a factor of fuel oil almost having nothing to do with the formation of combustion products?（）
A
setting point
B
ash
C
sulfur content
D
carbon residues
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cold fuel oilB
low fuel oil pressureC
low atomizing steam pressureD
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Increase valve wearC
Excessive oil pumpingD
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单选题Fuel oil having a low cetane rating could result in（）A
improved cold weather startingB
excessive fuel oil consumptionC
reduced ignition lagD
smoother engine operation
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单选题Which of the following is NOT on the list items to be recorded in Oil Record Book Part I (machinery space operation)?（）A
Accidental discharge of oilB
Disposal of oil residuesC
Quantity of water produced by FWGD
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单选题Which of the following operations need to be entered on the Oil Record Book Part I?（） (1) Cleaning of fuel oil tanks (2) Internal transfer of fuel oilA
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（2）onlyC
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neither（1）nor（2）
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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Which of the following machinery space operations is required to be logged in the Oil Record Book?（）A
Ballasting or cleaning of fuel oil tanksB
Shifting suction of main fuel pump to reserve fuel oil tankC
Changing out sprayer plates to adjust for steam demandD
Daily inspection of engine room bilges
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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
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单选题A centrifuge will satisfactorily remove which of the following contaminants from fuel oil?（）A
GasolineB
WaterC
Lubricating oilD
sulphur compounds
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单选题Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?（）A
The viscosity off the fuelB
The quantity of water to be removed from the fuelC
The specific gravity of the fuelD
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单选题Which of the following conditions could be a cause of excessive fuel dilution of diesel engine lube oil?（）A
Leaking fuel injectorsB
Lower than normal compressionC
Delayed fuel injectionD
All of the above are correct
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单选题When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（） Ⅰ.filtering Ⅱ.settlingA
Ⅰ onlyB
Ⅱ onlyC
either Ⅰ or ⅡD
neither Ⅰ or Ⅱ
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单选题Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?（）A
Fire pointB
Flash pointC
Specific gravityD
viscosity
考题
单选题Which of the following operations need NOT to be entered on the Oil Record Book Part I?（） (1) Disposal of oil residues (2) Internal transfer of fuel oilA
（1）onlyB
（2）onlyC
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neither（1）nor（2）
考题
单选题Which of the following operations need to be entered on the Oil Record Book Part I? （） (1) Ballast of fuel oil tanks (2) Condition of oil discharge monitoring and control systemA
（1）onlyB
（2）onlyC
both（1）and（2）D
neither（1）nor（2）
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单选题Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by （）.A
sounding the tankB
waiting for the vessel to listC
examining tank boundariesD
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考题
单选题Which of the following operations must be entered on the Oil Record Book Part Ⅰ? （） Ⅰ.Routine discharge at sea of bilge water containing oil from the machinery spaces Ⅱ.Bunkering of fuel oilA
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Ⅱ onlyC
both Ⅰ and ⅡD
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考题
单选题Which of the following problems may occur when using fuel oil with a high sulphur content?（）A
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Lube oil dilutionC
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单选题The temperature of the fuel oil received during bunkering operations is critical in determining the（）A
expansion space to leave in a tankB
flash point at which the fuel will burnC
temperature to which the fuel must be heatedD
rate at which the fuel can be pumped during transfer operations
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单选题Which of the following represents the significance the fuel oil cetane number?（）A
The cetane number has no affect on injection lagB
The cetane number is an indication of the fuel’s viscosityC
Ignition lag is reduced with fuels having a high cetane numberD
The cetane number is of little significance in the combustion
考题
单选题When the incinerator is stopped, which of the following is wrong?（）A
After stopping supplying sludge oil, the value and pipe should be flushed by flushed by diesel oil and the incinerator continue burning for 10 minutesB
Close auxiliary burner firstly and then close main burnerC
After stopping fuel, restoring the position of main fuel supply valveD
Stop blower as soon as stopping supplying fuel oil
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