The selection of an oil depends （） on the operating conditions, the design of the engine and the type of fuel to be burned.

相似题目

• Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）

  A . Commence draining that tank as quickly as possible B . Seal off all vents to that tank C . Activate the CO system to that tank D . Shut off the steam heating coil

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• Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.

  A . overspeed trip B . audible/visual alarm C . the ships/boats general alarm D . reserve oil storage tank

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• The degree to which the viscosity of an oil will change with a change in temperature is indicated by the （）.

  A . weight designation B . viscosity index C . pour point D . thermal change value

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• When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）

  A . Foam B . Solid stream water nozzle C . All-purpose nozzle D . Carbon dioxide

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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 cleaning up an oil spill, the use of chemical agents would （）.

  A . absorb the oil for easy removal B . remove the oil from the water C . disperse or dissolve the oil in the water D . not affect the oil

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• Improper maintenance of the fuel oil burners in an automatically fired auxiliary boiler, could result in （）

  A . increased fuel consumption B . increased feed water consumption C . fuel pump failure D . combustion control system failure

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• The sections of an Oil Record Book proceeding the log pages contain a （）.

  A . damage control plan for isolating fire main valves B . list of machinery space operation items C . complete classification of hazardous materials D . detailed listing of all organizations to call in the event of an accidental oil spill

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• The max effluent of the oil content from a ship of 400 tons gross tonnage and above other than an oil tanker is（）.

  A . less than 100 parts per million B . more than 100 parts per million C . at least 100 parts per million D . 100 parts per millio

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• Which of the following statements is correct regarding an oil with a high viscosity index?（）

  A . A large change of viscosity occurs with a minor change in temperature B . No change in viscosity occurs with any change in temperature C . Very little change in viscosity occurs with a significant change in temperature D . The viscosity of the oil increases with an increase in temperature

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• When centrifuging heavy fuel oil, an important factor to consider is the （） (1) flow rate (2) viscosity of the fuel oil

  A . (1) only is correct B . (2) only is correct C . both (1) and (2) are correct D . neither (1) or (2) are correct

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• An important consideration in selecting a lubricating oil for use in a refrigeration compressor is for the oil to （）

  A . have a high viscosity index B . mix readily with refrigerant C . have a high freezing point D . have a low pour point

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• An uncontrolled flow of gas，oil，or other well fluids into the atmosphere is called a（）.

  A . Flow B . Breakout C . Kick D . Blowout

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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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• The （）is not a component of an oil separator.

  A . sliding bowl bottom B . gravity disc C . separating disc D . scum valve

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• Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.

  A . have nothing to do with B . having nothing to do with C . have much to do with D . having much to do with

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• For the purposes of cargo oil containment，the fixed container under the manifold of an eight-inch loading line must hold a minimum of（）.

  A . three barrels B . four barrels C . six barrels D . eight barrel

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• When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent （）.

  A . air from contacting the oil vapors B . permitting re-ignition boiling of the heated oil C . spontaneous combustion below the oil surface D . toxic fumes from escaping to the surface

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• In which of the listed hydraulic systems will the installation of an oil cooler be necessary?（）

  A . Constant tension mooring winch system B . Hatch cover system C . Watertight door system D . Internal combustion engine hydraulic starter system

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• A sudden decrease in the diesel engine lube oil viscosity could be an indication of（）

  A . loss of additives from the lube oil B . carbon deposits in the lube oil C . excessive centrifuging D . excessive fuel dilutio

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• The furnace of an oil fired boiler should be （） before the operating burner is lit.

  A . filled with water B . purged C . cleared of air D . None of the above is true

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• Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? （）

  A . Draining it overboard when the vessel gets underway B . Placing it in proper disposal facilities C . Adding sinking agents and discharging it into the water D . Mixing it with dispersants before draining it overboard

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• In cleaning up an oil spill, the use of chemical agents would______.

  A.absorb the oil for easy removal B.remove the oil from the water C.disperse or dissolve the oil in the water D.not affect the oil

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