单项选择题If two A.C.generators are to be operated in parallel, the load is distributed evenly by()

A.means of rheostat the governor settings
B.a balance coil excitation
C.adjusting the governor settings
D.changing excitation


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1.单项选择题The treatment of the fuel oils involves storage, heating, filtering and()

A.centrifuging
B.pressurizing
C.atomization
D.igniting

2.单项选择题Which of the following items don’t belong to dock repair works?()

A.making the repair list, booking spare parts and special tools for the dock repair
B.shutting off all of the S.W valves to outboard
C.the sketches or diagrams used for the dock repair
D.cleaning up the oil tank and boiler before enter the dock

4.单项选择题() is not installed on the main switchboar.

A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay

5.单项选择题One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()

A.seal water supply be cut off
B.make up water supply be cut off
C.oil outlet valve closed or not open sufficiently
D.the flow rate of oily water is too much

7.单项选择题If separating effect is not good, which measure should be taken ()

A.working at intervals and properly heating
B.warming up to 70℃, increase water supply flow
C.improving impulse of water supply
D.reducing water supply flow

8.单项选择题Engine parameters shall be corresponded to NOx Technical Files. This is required by ()

A.MARPOL Annex Ⅲ
B.MARPOL Annex Ⅵ
C.MARPOL Annex Ⅴ
D.MARPOL Annex Ⅳ

9.单项选择题Under MARPOL Code the ship to which it applies has to carry ()

A.an International Ship Security Certificate
B.an International Oil Pollution Certificate
C.a Safety Management Certificate
D.an International Ballast Water Management Certificate

10.单项选择题Which one is NOT the ‘clear grounds’ for a more detailed inspection?()

A.the master and the chief engineer are unable to communicate effectively
B.serious corrosion on the hull
C.damaged sanitary pump
D.one page missing in the oil record book

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Cold weather starting of a diesel engine may be made easier by()

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The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

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Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

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()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

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