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)

If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power,which will occur ________.

A.A pawl,forced by a spring mechanism,will engage the teeth of the bull gear and hold the load

B.An electromagnetic brake will hold the load where it is suspended

C.The load will fall rapidly to the deck unless the foot brake is engaged

D.The load will slowly lower to the deck under control of the drag of the winch motor


参考答案

更多 “ If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power,which will occur ________.A.A pawl,forced by a spring mechanism,will engage the teeth of the bull gear and hold the loadB.An electromagnetic brake will hold the load where it is suspendedC.The load will fall rapidly to the deck unless the foot brake is engagedD.The load will slowly lower to the deck under control of the drag of the winch motor ” 相关考题
考题 ________is used for lifting cargo.A.A mooring winchB.A windlassC.A deck craneD.A lifeboat engine

考题 Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?A.Start ventilation,lower the ramp,notify engine roomB.Lower the ramp,start ventilation,notify engine roomC.Notify engine room,lower the ramp,start ventilationD.Start ventilation,notify engine room,lower the ramp

考题 A vessel is not in every way fitted for cargo service ______ at the time of her delivery to the charterers her engine room staff is incompetent and inadequate,and accordingly she is unseaworthy.A.whetherB.shouldC.shallD.if

考题 You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank

考题 The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads ______.A.Warning,Keep Off,Stay ClearB.Danger,Do Not BoardC.Warning,No Smoking,No Open Lights,No VisitorsD.Dangerous Cargo Being Transferred

考题 Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all ______.A.Fire stations aboard the vessel,except for those in open deck areas weatherdeck and cargo hold fire stationsB.Interior fire stationsC.Engine room fire stationsD.All of the above

考题 ______ is not usually used in liquid cargo systems.A.Hydraulic drive systemsB.Electric drive systemsC.Steam drive systemsD.Man-powered drive systems

考题 Fixed CO2 systems would not be used on crew’s quarters or ______.A.the paint lockerB.spaces open to the atmosphereC.cargo holdsD.the engine room

考题 The jumbo boom can ().A、lift heavy cargoB、load and unloadC、join ropes togetherD、lift light cargo

考题 A ()can give power to hoist or lower the cargo.A、craneB、life winchC、derrickD、cargo winch

考题 In liquid cargo ships, the() is divided into tanks.A、cargo spaceB、holdC、hatchD、room

考题 General cargo is loaded by()(克令吊).A、shipsB、derricksC、cranesD、winch

考题 A ()can give power to hoist or lower cargo.A、cargo winchB、lift winchC、derrickD、crane

考题 单选题Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?()A Start ventilation,lower the ramp,notify engine roomB Lower the ramp,start ventilation,notify engine roomC Notify engine room,lower the ramp,start ventilationD Start ventilation,notify engine room,lower the ramp

考题 单选题The ()(重吊杆) can lift heavy cargo.A heavy cargo derrickB heavy deckC jumbo boomD heavy block

考题 单选题You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? ()A Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD Steam cleaning and water washing are both capable of generating electrostatic charges within a tank

考题 单选题When loading or unloading baled cargo on board,the straps()to lift or drag the bales.A are forbiddenB are allowedC can be usedD are usually used

考题 单选题The reason for the obligation to load a full cargo()that otherwise the Shipowner would lose freight on account of some part of the ship’s carrying capacity not being utilized.A isB makesC hasD takes

考题 单选题A vessel is not in every way fitted for cargo service()at the time of her delivery to the charterers her engine room staff is incompetent and inadequate,and accordingly she is unseaworthy.A whetherB shouldC shallD if

考题 单选题A “stopper” is().A a short length of line used for temporarily holding another lineB a snatch block for handling a topping liftC an engine order telegraphD the brake on a cargo winch

考题 单选题()is used for lifting cargo.A A mooring winchB A windlassC A deck craneD A lifeboat engine

考题 单选题重吊杆用于吊大的重件。()A Heavy derrick is used for lifting large heavy cargo.B Derrick is used for lifting large heavy cargo.C Heavy derrick is used for lifting dry bulk cargo.D Derrick is used for lifting dry bulk cargo.

考题 单选题The cargo is liable to burn.Please keep it()the engine room.A out ofB away fromC from awayD out from

考题 单选题In a general cargo crane, () is fitted to lift the cargo load.A the slewing motorB the luffing motorC the hoisting motorD none of the above

考题 单选题Inflammable cargo()in the holds adjacent to the engine room.A shall never be stowedB may be stowedC can be stowedD should be stowed

考题 单选题The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads().A Warning,Keep Off,Stay ClearB Danger,Do Not BoardC Warning,No Smoking,No Open Lights,No VisitorsD Dangerous Cargo Being Transferred

考题 单选题The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for().A all the spaces of a vesselB all cargo spacesC the engine room and largest cargo spaceD the space requiring the largest amount