The steam supply to the heaters is controlled by the （), which must be sited in close p

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• Cooling the intake air supplied to a diesel engine will （）.

  A . reduce mean effective pressure B . decrease average compression pressure C . decrease air charge density D . increase power output

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• Which of the listed types steam traps operates on the principle that hot water flashes to steam when its vapor pressure is rapidly reduced?（）

  A . Ball float B . Thermostatic C . Bimetallic D . Impulse

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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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• In setting the valves on a steam-smothering system on a tanker，the master control valve to cargo tanks should be（）.

  A . open and individual tank valves open B . open and the individual tank valves closed C . closed and the individual tank valves closed D . closed and the individual tank valves ope

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• It’s not advisable to cut（）the power supply.

  A . out B . off C . down D . away

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• You are kindly requested to supply the necessary tallymen to do（）on board the ship during the discharging of the cargo.

  A . the tallying work B . the lashing work C . the clean work D . the work of opening and closing hatche

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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 purpose of a temperature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner（）

  A . in the event of a flame failure B . in the event of a stack fire C . when the water level reach the crown sheet D . when the feed pump discharge pressure drops to a preset minimum

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• Generally speaking，a ship steaming across the North Pacific from Japan to Seattle is likely to experience（）.

  A . adverse currents for practically the entire crossing B . favorable currents for practically the entire crossing C . favorable currents in the summer months and adverse currents in the winter months D . variable currents having no significant effect on the total steaming time

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• The chart you supplied was anything （） up to date．

  A、except B、but C、apart from D、beside

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• （）, iea steam cooler, may be filled in the boiler system to control the superheated steam temperature.

  A . An economizer B . An attemperator C . A water dram D . A down-comer tube

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• The steam boiler is part of a closed loop steam, whereby, after the energy of the steam is used up and it becomes water again, （） is collected and returned back to the boiler for heating up again to steam.

  A . the former B . the first C . the latter D . the last

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

  A . double bottom fuel oil tank temperature B . heater supply steam flow C . pressure of the fuel supplied to the burners D . attemperator steam flow in the heater discharge circuit

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• Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.

  A . spring，around late evening B . spring，around early evening C . fall，around early morning D . fall，around midday

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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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• The amount of heat released by steam when it changes to water at the same temperature is called（）.

  A . latent heat of condensation B . latent heat of vaporization C . latent heat of saturation D . sensible heat of condensatio

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• The（） is a smaller valve fitted in the auxiliary steam supply line, and is usually of the non-return type.

  A . main stem stop valve B . auxiliary steam stop valve C . feed check or control valve D . blow down valve

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• （） provides the head or pressure to supply the domestic water where required.

  A . The compressed air B . The compressing air C . The transfer pump D . The head tank

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• During an economic expansion, the supply of bonds _________ and the supply curve shifts to the _________.

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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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• Randal Ice needs a loan to purchase pet food and other pet supplies for his local pet store over the next six months. He has estimated that the maximum amount of inventory he will need in the next six

  A．Self-liquidating inventory loan B．Working capital loan C．Interim construction financing D．Security dealer financing E．Retailer and equipment financing

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• Which of the following will most likely cause the short-run aggregate supply （SRAS） curve to shift to the right？

  A、Increase in business taxes B、Increase in the supply of human capital C、Increase in nominal wages

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• Starting from the point of equilibriumbetween the money supply and money demand, if the Federal Reserve increases themoney supply the dollar’s exchange value will depreciate according to themonetary a

  是 否

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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

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