Anchor shackles should have a breaking strength that is ______．A.equal to the chains they are connectingB.25% more than the chains they are connectingC.50% more than the chains they are connectingD.100% more than the chains they are connecting
Anchor shackles should have a breaking strength that is ______．
A.equal to the chains they are connecting
B.25% more than the chains they are connecting
C.50% more than the chains they are connecting
D.100% more than the chains they are connecting
相关考题：
They should take care of（锚链）___to ensure that they are in normal condition.A.anchor chainsB.anchor ballC.anchor gearD.anchor ring
Mooring winch should be equipped with mechanical brakes capable of holding ______.A.half the breaking strength of the mooring lineB.the full breaking strength of the mooring lineC.the maximum expected tension of the mooring lineD.50% over the working tension of the mooring line
Mooring winch should be equipped with mechanical brakes which are capable of holding ______.A.half the breaking strength of the mooring lineB.the full breaking strength of the mooring lineC.the maximum expected tension of the mooring lineD.50% over the working tension of the mooring line
The American Petroleum Institute recommends that connecting links and anchor shackles be inspected using ______.A.visual examinationsB.magnetic particle inspectionC.dye penetrant inspectionD.x-ray inspection
You are entering port and have been instructed to anchor，as your berth is not yet available．You are on a SW'ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam．You should ______．A.not drop the anchor until the lights are in lineB.ensure your ship will NOT block the channel or obstruct the range while at anchorC.drop the anchor immediately as the range lights mark an area free of obstructionsD.drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
You are planning to anchor in an area where several anchors have been lost due to fouling．As a precaution，you should ______．A.anchor using both anchorsB.anchor with scope of 8 or more to 1C.use a stern anchorD.fit a crown strap and work wire to the anchor
Why should you soak an anchor ________．A.It can prevent the anchor from slipping during pretensioningB.It will lubricate all the moving parts of a stock anchorC.It will increase the maximum breaking strength of the anchor chainD.It will make it easier to disassemble the anchor for repair
Cribbing is ______.A.wooden blocks or dunnage placed between a deck load and the deckB.the chains and shackles used to secure a deck cargoC.a crate in which a deck cargo is packagedD.cardboard separation pieces placed between deck loads to prevent chafing
They should take care of（锚链）（）to ensure that they are in normal condition.A、anchor chainsB、anchor ballC、anchor gearD、anchor ring
他们应该照看系泊缆绳。（）A、They should take care of the mooring lines.B、They should take care of the gangway.C、They should take care of anchors.D、They should take care of anchor chains.
单选题他们应该照看系泊缆绳。（）AThey should take care of the mooring lines.BThey should take care of the gangway.CThey should take care of anchors.DThey should take care of anchor chains.
单选题Two types of anchor shackles which are currently available are（）.AU-Type and posilok shacklesBC-Type and wedge shacklesCD-Type and bow shacklesDwedge and kenter shackles
单选题You have a large，broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however，unless there are special circumstances（）.Athe towing vessel should slip firstBthe vessel towed should slip firstCthey should slip simultaneouslyDeither vessel may slip first
单选题（）are used for anchor gear in marine work where the chains must withstand the corrosive effects of seawater.AChainsBWiresCRopesDLines
单选题Thirty-five percent of the breaking strength of an anchor cable is generally accepted as the（）.Asafe operating loadBnormal operating tensionCemergency working loadDallowable storm load
单选题Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.Aafter torque causes line pull to exceed the rated capacity of the winchBbefore the line pull reaches the rated capacity of the winchCwhen the line pull reaches the breaking strength of the fallDbefore the safe working load of the fall is reached
单选题抛左锚，五节入水！（）ALet go port anchor ,five shackles in water!BLet go starboard anchor, five shackles in water!CLet go port anchor ,five knots in water!DLet go starboard anchor ,five knots in water!
单选题An anchor winch should be equipped with mechanical brakes capable of holding（）.Ahalf the breaking strength of the mooring lineBthe full breaking strength of the mooring lineCthe maximum expected tension of the mooring lineD50% over the working tension of the mooring line
单选题A vessel moored with two anchors,sometimes, at an exposed roadstead to（）.Aaid turing the shipBobtain a fine bearingCincrease ship swing to wind or tideDlighten the stress of anchor chains
单选题The American Petroleum Institute recommends that connecting links and anchor shackles be inspected using（）.Avisual examinationsBmagnetic particle inspectionCdye penetrant inspectionDx-ray inspection
单选题Cribbing is（）.Awooden blocks or dunnage placed between a deck load and the deckBthe chains and shackles used to secure a deck cargoCa crate in which a deck cargo is packagedDcardboard separation pieces placed between deck loads to prevent chafing
单选题Anchor shackles should have a breaking strength that is（）.Aequal to the chains they are connectingB25% more than the chains they are connectingC50% more than the chains they are connectingD100% more than the chains they are connecting
单选题You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.Anot drop the anchor until the lights are in lineBensure your ship will NOT block the channel or obstruct the range while at anchorCdrop the anchor immediately as the range lights mark an area free of obstructionsDdrop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
单选题You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution，you should（）.Aanchor using both anchorsBanchor with scope of 8 or more to 1Cuse a stern anchorDfit a crown strap and work wire to the anchor