Chafing gear ______.A.reduces and prevents corrosion of standing riggingB.prevents corrosion of running riggingC.reduces and prevents wear caused by the rubbing of one object against anotherD.protects the body against extreme cold

Chafing gear ______.

A.reduces and prevents corrosion of standing rigging

B.prevents corrosion of running rigging

C.reduces and prevents wear caused by the rubbing of one object against another

D.protects the body against extreme cold


相关考题:

That man ( ) at the bus stop for the last half hour.--- Shall I tell him that the last bus ( ) A.has stood … has already goneB.has been standing… has already beenC.is standing… has already goneD.has been standing…has already gone

One of the most common causes of reduction gear failure is gear wear caused by scoring as a result ofA.surface fatigue of the gearsB.an inadequate lube oil filmC.plastic flow of the gearsD.fretting corrosion from water

Which two benefits are provided by using a hierarchical addressing network addressing scheme? () A.reduces routing table entriesB.auto-negotiation of media ratesC.efficient utilization of MAC addressesD.dedicated communications between devicesE.ease of management and troubleshooting

Wear occurring at the tips of the reduction gear teeth is usually the result of ______.A.surface fatigueB.fretting corrosionC.heavy overloadingD.gear misalignment

A storm is forecast for the area where your vessel is moored. For its safety you should put ______.A.more slack in the mooring linesB.a strain on the mooring linesC.chafing gear on the mooring linesD.grease on the mooring lines

Chafing gear should be placed______.A.at all wearing points of mooring linesB.around running riggingC.on wire rope only forcesD.at the bitter ends of all standing rigging

Chafing gear(防摩擦装置) is used to______.A.anchor the boatB.pick up heavy loadsC.protect fiber rope from abrasionD.strengthen mooring lines

高温腐蚀(钒腐蚀和热腐蚀)(high temperature corrosion)

Gear box

CORROSION INHIBITOR的中文意思是什么?

控制面板显示EnvTem、GeaOilLev表示:()A、Gear oil lev switch、Environ temperatureB、Gear oil level、Environment temperatureC、Gear oil level switch、Environment temperatureD、Gear oil level switch、Environment temp

管道防腐(corrosion preventive of pipes)

单选题What is NOT a responsibility of the tankerman in charge of loading an unmanned tank barge? ()AEnforcement of smoking restrictionsBRestricting vessels from coming alongside the bargeCInsuring that a combustible gas indicator is aboardDProtecting cargo hose with chafing gear

名词解释题管道防腐(corrosion preventive of pipes)

单选题In astern towing,a tow span,also called the tow bar or towing arch,is used to().Ainsure that the hawser leads directly aft as it passes over the stern of the towing vesselBincrease the stability of the towing vessel by raising the hawser off the deckCreduce chafing of the towing hawserDprevent fouling of the hawser on deck gear located on the stern of the towing vessel

单选题An advantage of a helical gear pump over a simple gear pump is that the helical gear pump is capable of ().Amaintaining a steadier speedBdelivering liquids over greater distancesCoperating for longer periods of timeDproducing a smoother discharge flow

单选题Which of the following is NOT true according to the passage?()ABoth the main steering gear and the auxiliary steering gear should be operatedBThe alarms fitted to the remote control system should be operatedCThe emergency generator compartment should be checkedDThe communication system between the bridge and the steering gear compartment should be operated

单选题A vessel is “engaged in fishing” when().Aher gear extends more than 100 meters from the vesselBshe is using any type of gear,other than linesCshe is using fishing apparatus which restricts her maneuverabilityDshe has any fishing gear on board

单选题Chafing gear is used to().Aanchor the boatBpick up heavy loadsCprotect fiber rope from abrasionDstrengthen mooring lines

单选题Chafing gear().Areduces and prevents corrosion of standing riggingBprevents corrosion of running riggingCreduces and prevents wear caused by the rubbing of one object against anotherDprotects the body against extreme cold

单选题Chafing gear is normally used().Afor portable fendersBfor ground tackleCon the inside of the hawsepipeDon mooring lines

单选题Chafing gear should be placed().Aat all wearing points of mooring linesBat the bitter ends of all standing riggingCaround running riggingDon wire rope only

单选题Towlines should be inspected for chafing where the towline().Apasses over the stern of the towing vesselBpasses through chocksCis attached to the disabled vesselDAll of the above

单选题Pitting in the area close to the pitch line and on the same end of each gear tooth of a reduction gear unit would be caused by ()Acorrosion on the gearsBexcessive gear speedCdirt in the oilDmisalignment of the gears

单选题I saw your man not operating the winch gear()gear.AinBbyCofDagainst

单选题With reference to rules governing steering gear, which one of the following rules is incorrect? ()AIt is required that all ships are provided with two independent steering gear systems that is one main and one auxiliaryBThe auxiliary gear could be power operated in passenger shipsCThe auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speedDAll moving parts of the steering gear must be guarded against any possible damage

单选题When a line is subject to wear where it passes through a mooring chock,it should be().Awormed,parceled,and servedBwrapped with heavy tapeCwrapped with chafing gearDwrapped in leather