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The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in （） while that for latter one is （）.
A . sufficient quantity； measured
B . measured quantity；sufficient
C . excessive quantity；sufficient
D . the less quantity the better；the more the better
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The longer an oil fire is permitted to burn, the （）.
A . harder it is to extinguish
B . easier it is to extinguish
C . less chance there is of re-ignition
D . easier it is to control
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The （）is used to burn oil sludge.
A、clarifier
B、oily water separator
C、incinerator
D、distiller
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Which is supplied to the vessel by the MSA（）.
A . Bell book
B . Cargo gear register
C . Official Logbook
D . Rough Logbook
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The ability of an oil to separate cleanly from an oil and water mixture is referred to as its （）.
A . precipitation number
B . neutralization number
C . pour point
D . demulsibility
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In discussing oil pollution, one important fact to remember is that the problem remains the same （） heavy （） light oil is spilled into the water.
A . both；and
B . whether；or
C . neither；nor
D . because；so
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The sequence of parts in a generally used fuel oil supply system for a main engine is （） (1)tanks in the double bottom (2)centrifuges (3)service tank (4)settling tank (5)viscosity regulator
A . (1)-(2)-(4)-(3)-(5)
B . (1)-(4)-(2)-(3)-(5)
C . (1)-(3)-(2)-(4)-(5)
D . (1)-(5)-(4)-(2)-(3)
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When discharging an oil cargo，the first consideration is to（）.
A . get the bow up
B . discharge from the wings first
C . discharge from the centerline tanks first
D . discharge from amidships first
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The compressed air is supplied by （） to the air reservoirs.
A . compressors
B . forced fans
C . ventilators
D . generator
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The main purpose of the piston oil scraper rings is to （）.
A . seal the space between the piston and the liner
B . reduce the amount of lube oil burned in the combustion chamber
C . transmit heat from the piston to the cylinder liner
D . damp out fluctuations of the piston side thrust
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What is it called when it is possible to ignite the vapour above the oil?（）
A . Flash point
B . Boiling point
C . Ignition point
D . Pour point
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The operating water is supplied under the （）of an oil separator.
A . sliding bowl bottom
B . bowl hood
C . bowl
D . filter unit
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（） or air venting arrangement is fitted to the fuel supply passage.
A . An air pump
B . A compressor
C . A fuel pump
D . A priming
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Fuel oil discharged to the diesel engine cylinder is atomized at the （）
A . turbocharger
B . injection nozzle tip
C . carburetor
D . fuel oil pum
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Fuel is not supplied to the corresponding cylinders due to （）.
A . a failure of the motor
B . a failure of lubricator
C . a failure of cylinder
D . a failure of fuel pum
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Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by （）.
A . internal crankshaft passages
B . immersion in oil
C . splash lubrication
D . injection lubricatio
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The cleaned heated oil, after passing through the centrifuges, is to be pumped to a （）.
A . settling tank
B . service tank
C . ballast tank
D . drain tank
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Fuel oil is regularly transferred to the day tank in order to （）
A . allow impurities to settle out of the fuel
B . allow air to escape from the fuel
C . make fuel available for immediate use
D . all of the above
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With supercharging a larger mass of air is supplied to the cylinder by blowing it in under pressure, which is the best means to （） of the engine.
A . increase the exhaust temperature
B . increase the power of
C . reduce the speed
D . increase the fuel consumptio
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In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A . a service tank
B . a collecting tank
C . a sump
D . a settling tank
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The steam supply to the heaters is controlled by the （), which must be sited in close p
The steam supply to the heaters is controlled by the (), which must be sited in close proximity to the injection pumps, either just ahead of them or in the fuel return line as shown.
A. flowmeter
B. piezometer
C. manometer
D. viscosimeter
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The 1982 Oil and Gas Act gives power to permit the disposal of assets held by the Corporation, and the Corporation's statutory monopoly in the supply of gas for fuel purposes so as to permit private companies to compete in this supply.
A．defers
B．curtails
C．triggers
D．sparks
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From the author's point of view, the best way to prevent oil spills is to get rid of oil completely.
A．Y
B．N
C．NG
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The spot exchange rate is_____ when the domestic money supply increases relative to the foreign money supply（）
A．raised in the long run
B．lowered in the long run
C．unchanged in the long run
D．raised in the short run but lowered in the long run
