网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
Which of the followings will affect the spray of fuel oil?()
A

coke deposits

B

cylinder water temperature

C

asphalt in fuel oil

D

lub oil


参考答案

参考解析
解析: 暂无解析
更多 “单选题Which of the followings will affect the spray of fuel oil?()A coke depositsB cylinder water temperatureC asphalt in fuel oilD lub oil” 相关考题
考题 Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?A.The viscosity of the fuel.B.The quantity of water to be removed from the fuel.C.The specific gravity of the fuel.D.The quantity of dirt to be removed from the fuel.

考题 The word "spray" (underlined in the third paragraph) meansA.oil mistB.hot gasC.injectionD.fuel oil

考题 Which of the following represents the significance the fuel oil cetane number?A.The cetane number has no affect on injection lagB.The cetane number is an indication of the fuel's viscosityC.Ignition lag is reduced with fuels having a high cetane numberD.The cetane number is of little significance in the combustion process

考题 A ship which is required to carry an Oil Record Book must log in the book ______.A.discharge of ballast or cleaning water from fuel tanksB.sounding levels of all fuel tanks on a daily basisC.the grade and specific gravity of all fuel oil carriedD.fuel consumption rates on a weekly basis

考题 Which substance is NOT considered to be Oil under the pollution prevention regulations?A.Petroleum and fuel oilB.SludgeC.Oil mixed with dredge spoilD.Oil refuse and oil mixed with wastes

考题 单选题When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?()A cold fuel oilB low fuel oil pressureC low atomizing steam pressureD water in the fuel oil

考题 单选题Which of the followings needs not to be considered during bunkering?()A All scuppers plugged by carpenterB Tanks sounded from time to timeC Watch kept for leakageD Take oil samples

考题 单选题A ship which is required to carry an Oil Record Book must log in the book().A discharge of ballast or cleaning water from fuel tanksB sounding levels of all fuel tanks on a daily basisC the grade and specific gravity of all fuel oil carriedD fuel consumption rates on a weekly basis

考题 单选题Which of the following operations need to be entered on the Oil Record Book Part I?() (1) Cleaning of fuel oil tanks (2) Internal transfer of fuel oilA (1)onlyB (2)onlyC both(1)and(2)D neither(1)nor(2)

考题 单选题Which of the following machinery space operations is required to be logged in the Oil Record Book?()A Ballasting or cleaning of fuel oil tanksB Shifting suction of main fuel pump to reserve fuel oil tankC Changing out sprayer plates to adjust for steam demandD Daily inspection of engine room bilges

考题 单选题When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be()A cleaning fuel oil, lubricating oil and seawater filterB reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propellerC using low sea chestD closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments

考题 单选题A centrifuge will satisfactorily remove which of the following contaminants from fuel oil?()A GasolineB WaterC Lubricating oilD sulphur compounds

考题 单选题Each fire hydrant serving machinery spaces containing oil fired boilers,internal combustion machinery,or oil fuel units must be equipped with a().A fireman's outfitB low-velocity spray applicatorC marine strainerD pick axe

考题 单选题Which of the following conditions could be a cause of excessive fuel dilution of diesel engine lube oil?()A Leaking fuel injectorsB Lower than normal compressionC Delayed fuel injectionD All of the above are correct

考题 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.settlingA Ⅰ onlyB Ⅱ onlyC either Ⅰ or ⅡD neither Ⅰ or Ⅱ

考题 单选题A change in the degree of fuel atomization in a diesel engine would most greatly affect ().A air turbulenceB fuel penetrationC fuel spray angleD fuel injection rate

考题 单选题Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer?()A The amount of fuel injected will be increasedB The start of injection will be retardedC The nozzle will permit fuel to dribbleD The spray pattern will be distorted

考题 单选题Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?()A Carbon particlesB Lube oilC GasolineD Diesel fuel

考题 单选题Faulty operation of diesel engine fuel injection nozzles can be directly caused by ().A water in the fuel oil supplyB excessive fuel nozzle holder coolingC a distorted fuel spray patternD leakage past the plunger into the oil drain

考题 单选题Impurities in the fuel oil will affect the operation of the engine, which has () the use of separator and some other devices.A brought aboutB caused forC resulted fromD led

考题 单选题After the ship is out of the harbour and in “Full Speed”, well change ().A to fuel oil instead of diesel oilB for fuel oil instead of diesel oilC to diesel oil into fuel oilD for diesel oil into fuel oil

考题 单选题Shaker, circulation and spray are the three general methods used in()A pre-injection fuel oil treatmentB lube oil filtrationC lube oil purificationD piston cooling

考题 单选题Which of the following problems may occur when using fuel oil with a high sulphur content?()A Injection lagB Lube oil dilutionC Pre-ignitionD Corrosion

考题 单选题The temperature of the fuel oil received during bunkering operations is critical in determining the()A expansion space to leave in a tankB flash point at which the fuel will burnC temperature to which the fuel must be heatedD rate at which the fuel can be pumped during transfer operations

考题 单选题Which of the following represents the significance the fuel oil cetane number?()A The cetane number has no affect on injection lagB The cetane number is an indication of the fuel’s viscosityC Ignition lag is reduced with fuels having a high cetane numberD The cetane number is of little significance in the combustion

考题 单选题When the incinerator is stopped, which of the following is wrong?()A After stopping supplying sludge oil, the value and pipe should be flushed by flushed by diesel oil and the incinerator continue burning for 10 minutesB Close auxiliary burner firstly and then close main burnerC After stopping fuel, restoring the position of main fuel supply valveD Stop blower as soon as stopping supplying fuel oil

考题 单选题Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?()A ImpuritiesB Lube oilC GasolineD Diesel fuel