单选题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 regulatorA(1)-(2)-(4)-(3)-(5)B(1)-(4)-(2)-(3)-(5)C(1)-(3)-(2)-(4)-(5)D(1)-(5)-(4)-(2)-(3)

单选题
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)


参考解析

解析: 暂无解析

相关考题:

The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler ______.A.steam demand is highB.salinity is highC.safety valve simmers(爆发)D.burner flame is extinguished

Which of the following can be used in hydraulic transmission system?A.Hydraulic oilB.Animal oilC.Light oilD.Fuel oil

When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.A.increase the fuel oil temperatureB.decrease the fuel oil temperatureC.decrease the fuel oil supply pressureD.increase the air supply

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.decreaseB.abateC.curtailD.dwindle

单选题In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to () and heated.Aa service tankBa settling tankCan expansion tankDa double bottom tank

单选题Heavy fuel oils generally have an upper average ash content of 0~1% by weight.Which of the following conditions could be expected if the ash content increase above this amount?()AGlazing of the cylinder linersBIncrease valve wearCExcessive oil pumpingDIncrease fuel consumption

单选题Hydraulic control check value is generally used to () in the marine hydraulic mechanism.Acontrol the back pressure of return oilBlock the oil lines under some conditionsCchange the direction of oil flowDact as relief valve

单选题A viscosity regulator used for an engine is usually provided in order to () for an engine burning heavy fuel oil.Aregulate the fuel supplyBmaintain a constant fuel viscosity at the fuel valvesCmaintain efficient coolingDalter the fuel density

单选题If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?()AMove the fuel control mechanism to the no fuel positionBBlock the fuel supply by closing the master fuel valveCShut off the fuel supply and block the flow of intake airDRelieve all pressure in the fuel system

单选题Diesel engine injection lag is caused by()Acompressibility of the fuelBhigh fuel oil supply flowCscored plunger and barrel packingDexcessive air turbulence

单选题When an auxiliary boiler is panting and emitting black smoke, you should ().Aincrease the fuel oil temperatureBdecrease the fuel oil temperatureCdecrease the fuel oil supply pressureDincrease the air supply

单选题When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().Afilter to remove the fuel oilBuse the settler to remove the fuel oilCremove the fuel oil by centrifugingDdrain and then renew the lube oil supply

单选题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 regulatorA(1)-(2)-(4)-(3)-(5)B(1)-(4)-(2)-(3)-(5)C(1)-(3)-(2)-(4)-(5)D(1)-(5)-(4)-(2)-(3)

单选题Gas exchange, which is a basic part of the cycle of an internal combustion engine, is()Athe supply of normal air and removal of compressed airBthe supply of fuel oil and combustion of the atomized oilCthe supply of fresh air and removal of exhaust gasesDthe supply of fresh air and removal of the extra heat

单选题The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler ()Asteam demand is highBsalinity is highCsafety valve simmersDburner flame is extinguished

单选题When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?() Ⅰ.filtering Ⅱ.settlingAⅠ onlyBⅡ onlyCeither Ⅰ or ⅡDneither Ⅰ or Ⅱ

单选题Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()Adouble bottom fuel oil tank temperatureBheater supply steam flowCpressure of the fuel supplied to the burnersDattemperator steam flow in the heater discharge circuit

单选题Differential needle valves used in fuel injectors are directly closed by()Acam actionBspring forceCfuel oil pressureDfiring pressure

单选题The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to ().Aassist in a quick cutoff of fuel injectionBallow oil backflow from the injector to the helixCreduce fuel oil pressure between injection strokesDmeter the quantity of fuel delivered

单选题The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the () systems.Afuel treatmentBfuel combustionCfuel injectionDfuel separating

单选题The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated ()Afor atomizingBfor centrifugingCin a storage tankDin the re-circulating line

单选题The cross-head shoes are white metal lined, grooves being cut horizontally on the face of the white metal to ensure ().Aan adequate supply of lube oilBan adequate supply of fuel oilCan adequate supply of turbine oilDan adequate supply of cylinder oil

单选题After the ship is out of the harbour and in “Full Speed”, well change ().Ato fuel oil instead of diesel oilBfor fuel oil instead of diesel oilCto diesel oil into fuel oilDfor diesel oil into fuel oil

单选题If a used lube oil analysis indicates excessive fuel dilution, the lube oil should be ()AchangedBcentrifugedCfilteredDsettled

单选题Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce().Acold corrosion of the nozzlesBfuel viscosity for better atomizationCcarbon accumulation on the nozzlesDfuel detonation in the cylinders

单选题Shaker, circulation and spray are the three general methods used in()Apre-injection fuel oil treatmentBlube oil filtrationClube oil purificationDpiston cooling

单选题When the incinerator is stopped, which of the following is wrong?()AAfter stopping supplying sludge oil, the value and pipe should be flushed by flushed by diesel oil and the incinerator continue burning for 10 minutesBClose auxiliary burner firstly and then close main burnerCAfter stopping fuel, restoring the position of main fuel supply valveDStop blower as soon as stopping supplying fuel oil

单选题Fuel oil transfer systems used onboard diesel propelled vessels are required to have ().Atwo fuel oil transfer pumps provided where one is to be independent of the main engineBtwo fuel oil transfer pumps, with a combined capacity exceeding the maximum consumption of the main engineCengine driven transfer pumps and only used in constant speed applicationsDthe capacity of the engine driven pump exceed the consumption rate of the engine to which it is attached