To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）

相似题目

• The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the （）.

  A . quantity of fuel to be received B . flash point of the fuel as it is received C . fuel temperature as it is received D . viscosity of the fuel being received

  查看最佳答案

• Oil water separators are used to ensure that ships don’t discharge oil when （） bilge water.

  A . to pump off B . being pumped C . pumping out D . it pumping out

  查看最佳答案

• A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a （）

  A、the use of a poor quality oil B、the deterioration of its properties C、the formation of deposits D、the reduction in heat transfer ability

  查看最佳答案

• The （）is used to burn oil sludge.

  A、clarifier B、oily water separator C、incinerator D、distiller

  查看最佳答案

• In an oily water separator the oil will travel （） to the oil collecting spaces.

  A . upwards B . downwards C . outwards D . forward

  查看最佳答案

• 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

  查看最佳答案

• To function properly, oil control rings used on a diesel engine piston must distribute sufficient oil to all parts of the cylinder wall and must also（）.

  A . prevent any lubricant from reaching B . prevent excessive lubrication from reaching the combustion space C . Provide metal-to-metal contact to seal the cylinder against blow-by D . assure a positive means of scraping carbon accumulation from the cylinder

  查看最佳答案

• Oil Record Book Part I shall be provided to every oil tanker of 150 tons gross tonnage and above and every ship of 400 tons gross tonnage and above, （） oil tankers, to record relevant machinery space operations.

  A . as well as B . as long as C . rather than D . other tha

  查看最佳答案

• On a medium-speed main propulsion diesel engine, the crank-pin or crank journal bearings receive lubricating oil from （）.

  A . a spindle lubricator B . an oil jet C . internal splashing D . drilled passages in the crankshaft

  查看最佳答案

• With respect to the flow of lubricating oil through a diesel engine, the lube oil coolers are located after filters in order to （）.

  A . allow filtration of less viscous oil B . decrease the pressure drop across the filter C . improve overall filtration D . all of the above

  查看最佳答案

• The oil residues which cannot be discharged into the sea in compliance with MARPOL 73/78 shall be（）.

  A . discharged to into special area B . discharged into national waters C . discharged into the designated zone D . retained on board or discharged to reception facilitie

  查看最佳答案

• 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 oil

  A . （1）only B . （2）only C . both（1）and（2） D . neither（1）nor（2）

  查看最佳答案

• Oil mist detectors are usually used on board to detect oil mist density within （）.

  A . the engine crankcase B . the engine scavenge boxes C . drain tanks D . fuel tank

  查看最佳答案

• The temperature of the fuel oil received during bunkering operations is critical in determining the（）

  A . expansion space to leave in a tank B . flash point at which the fuel will burn C . temperature to which the fuel must be heated D . rate at which the fuel can be pumped during transfer operatio

  查看最佳答案

• Injectors for use with heavy fuel oil must be cooled by either water or light oil to （）

  A . prevent heat corrosion to internal components B . increase fuel delivery rate and economy C . prevent pre-ignition D . avoid carbonization of the nozzle ti

  查看最佳答案

• The total quantity of oil discharge into the sea（）for existing tankers 1/15000 of the total quantity of the particular cargo or which the residue formed a part（）.

  A . does not exceed B . should exceed C . should be up to D . should be no more tha

  查看最佳答案

• A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is（）

  A . carbon B . vanadium C . calcium D . hydroge

  查看最佳答案

• On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by （）.

  A、banjo feed B、splash feed C、gravity feed D、pressure feed

  查看最佳答案

• These acid residues must be prevented from entering the crankcase, otherwise the lube oil would be（）

  A . contaminated B . emulsified C . deteriorated D . oxidated

  查看最佳答案

• Heavy residual fuel oils are heated prior to centrifuging to （）

  A . reduce fuel weight B . increase specific gravity C . separate fuel from lube oil D . reduce fuel viscosity

  查看最佳答案

• 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

  查看最佳答案

• The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated （）

  A . for atomizing B . for centrifuging C . in a storage tank D . in the re-circulating line

  查看最佳答案

• When can employees expect to receive compensation？

  A．Around 2 months after the original expenditure B．In two weeks or less after making a claim C．Three months after contacting the accounting department D．Within a couple of days of submitting the paperwork

  查看最佳答案

• 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

  查看最佳答案