The fitting that allows a boom to move freely both vertically and laterally is called the ______.A.swivelB.lizardC.spider bandD.gooseneck
The fitting that allows a boom to move freely both vertically and laterally is called the ______.
A.swivel
B.lizard
C.spider band
D.gooseneck
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Prior was born with a rare disease that limits his ability to move freely and damage his ability to speak.() 此题为判断题(对，错)。
A band or collar on the top end of a boom to which the topping lift，midships guy，and outboard guys are secured，is called the ______.A.collar bandB.guy bandC.pad eye collarD.spider band
Which fitting is used to connect the boom to the mast?A.Clevis pinB.Gunter-lugC.GooseneckD.Transom
How should you signal the crane operator to lower the boom and raise the load ________．A.Extend arm and point finger in the direction to move the boomB.Extend arm with thumb pointing downward and flex fingers in and outC.With forearm vertical and forefinger pointing up，move hand in small horizontal circlesD.With arm extended downwards and forefinger pointing down，move hand in small horizontal circles
The fitting at the end of a cargo line in a tank that allows suction to be taken close to the bottom of a tank is a ______．A.Suction endB.StrainerC.Bell-mouthD.Vacuum valve
A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a ______．A.BittB.BollardC.CapstanD.Cleat
How should you signal the crane operator to raise the boom?_________.A.Extend arm with the thumb pointing up and flex the fingers in and outB.Place both fists in front of the body with the thumbs pointing upwardC.With forearm vertical and forefinger pointing up，move hand in small horizontal circlesD.Extend arm with fingers closed and point thumb upward
In a twin screw ship going half-ahead,both screws turning outboard and the rudder amidships no current or wind, the vessel will ______.A.Move bodily to portB.Move bodily to starboardC.Move in a zig-zag motionD.Steer a fairly straight course
单选题How should you signal the crane operator to raise the boom?（）.AExtend arm with the thumb pointing up and flex the fingers in and outBPlace both fists in front of the body with the thumbs pointing upwardCWith forearm vertical and forefinger pointing up,move hand in small horizond circlesDExtend arm with the fingers closed and thumb upward
单选题Which fitting is used to connect the boom to the mast? （）AClevis pinBGunter-lugCGooseneckDTransom
单选题Securing cargo by running timbers from an upper support down to the cargo，either vertically or at an angle，is called（）.AbracesBdunnageCshoresDtoms
单选题A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.Ablind flangeBpivot couplingCquick-release couplingDspectacle flange
单选题A band or collar on the top end of a boom which the topping lift, midships guy, and outboard guys are secured, is called the（）.Acollar bandBguy bandCpad eye collarDspider band
单选题The process of lowering a boom to a horizontal position and onto its deck support is called（）.Aspotting a boomBcollaring a boomCcradling a boomDtoppling a boom
单选题Which statement is TRUE concerning the gooseneck（）.AIt is a sailing maneuver which brings the vessel's head through the windBIt connects the boom to the mast and allows the boom to swing freelyCIt is a sailing condition where there is a loss of air flow over the sailsDNone of the above
单选题How should you signal the crane operator to swing?（）.AWith both arms extended out and palms to down, move arms back and forthBWith arm ertended downwards and forefinger pointing down,move hand in small horizontal creclesCExtend arm and point finger in the direction to move boomDPlace both fists in front of the body with the thumbs pointing outward
单选题How should you signal the crane operator to lower the boom and raise the load（）.AExtend arm and point finger in the direction to move the boomBExtend arm with thumb pointing downward and flex fingers in and outCWith forearm vertical and forefinger pointing up，move hand in small horizontal circlesDWith arm extended downwards and forefinger pointing down，move hand in small horizontal circles
单选题The fitting that allows a boom to move freely both vertically and laterally is called the （）.AswivelBlizardCspider bandDgooseneck
单选题Which CLI keyboard sequence allows you to move the cursor to the beginning of the line?（）ACtrl+eBCtrl+pCCtrl+wDCtrl+a
单选题When liquid is free to move transversely in a tank, the effect is called（）.AFree communicationBFree fensityCFree surfaceDNegative GM
单选题The hinge fitting used to attach the boom to the mast is the（）.AgooseneckBstepCswivelDpintle
单选题The depth of the ship below waterline measured vertically to the lowest part of the hull is called （）.AtrimBleanCdraftDtonnage
单选题Vertically below the deckline is a circle whose outside diameter is 300mm.It is called the（）.Athe deck lineBPlimsoll discCPlimsoll lineDsummer load line
单选题A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a（）.AbittBbollardCcapstanDcleat
单选题Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called （）.AfakingBflemishing downCmousingDworming