Which wire rope purchases may be used with a 30-ton pedestal crane ________．A.HoistB.LuffC.Rider blockD.All of the above
Which wire rope purchases may be used with a 30-ton pedestal crane ________．
A.Hoist
B.Luff
C.Rider block
D.All of the above
相关考题：
The boom stops on a pedestal crane prevent the boom from ______.A.being raised too highB.swinging at seaC.overloading when not in useD.being lowered too low
Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________．A.Stack weights should be less when using a solid bar lashing as compared to a wire lashingB.Stack heights may be increased when using a solid bar lashingC.Stack heights should be reduced when using a solid bar lashingD.Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier（s）
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.The cranes are powered by independent internal combustion power unitsD.All of the above
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.When twinned，the crane rotation on the foundation assembly is unlimitedD.All of the above
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane ________．A.Taglines are wire rope purchases that raise and lower the jibB.Taglines are wire ropes for horizontal positioning of the rider blockC.Taglines can be fastened to corners of vehicles or containersD.The crane might not have taglines installed in its rigging system
Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________．A.BabbittB.BronzeC.LeadD.Zinc
What is the accepted standard for wire rope falls used in connection with the lifeboat gear ________．A.Six by seven galvanized wire ropeB.Six by twenty-four improved plow steel wire ropeC.Six by thirty-seven preformed fiber-core wire ropeD.Six by nineteen regular-lay filler wire rope
During which condition should the operator of a pedestal crane shutdown operations ________．A.Bunkering barge alongsideB.Potable water spill on deckC.Crane hydraulic hose burstsD.Trim greater than 4 feet
Galvanizing would be suitable for protecting wire rope which is used for ______.A.cargo runnersB.staysC.topping liftsD.All of the above
A （）(钢丝刷) should be used on all bare metal to remove the last of the scale.A、wire brushB、wire ropeC、wire rodD、wire rope clip
单选题Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.ATaglines are wire rope purchases that raise and lower the jibBTaglines are wire ropes for horizontal positioning of the rider blockCTaglines can be fastened to corners of vehicles or containersDThe crane might not have taglines installed in its rigging system
单选题During which condition should the operator of a pedestal crane shutdown operations?（）ALightning in the vicinityBAn approaching squall lineCA fire on the pierDAll of the above
单选题Which is normally used to hold wire rope for splicing（）.ACome alongBJiggerCRigger's screwDSealing clamp
单选题What is the purpose of the equalizing beam aboard a crane vessel（）.AIt allows for rotation of the hook in the single modeBIt is required to“twin-up”30-ton pedestal cranesCIt is used to pick up light loadsDIt is used to rigidly connect two cranes
单选题Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.AThe cranes may be operated independentlyBThe cranes may be interconnected for twin operationCWhen twinned，the crane rotation on the foundation assembly is unlimitedDAll of the above
单选题During which condition should the operator of a pedestal crane shutdown operations?（）ALightningBHigh windsCFire aboardDAll of the above
单选题During which condition should the operator of a pedestal crane shutdown operations?（）ABunkeringBHigh windsCPotable water spill on deck
单选题Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.AThe cranes may be operated independentlyBThe cranes may be interconnected for twin operationCThe cranes are powered by independent internal combustion power unitsDAll of the above
单选题Which action(s) should the operator of a pedestal crane take if crane control is lost?（）ALet go of both control levers and return to neutral positionBPress the emergency stopCNotify the mate on watchDAll of the above
单选题Galvanizing would not be suitable for protecting wire rope which is used for（）.Acargo runnersBmooring wiresCshroudsDstays
单选题What is the accepted standard for wire rope falls used in connection with the lifeboat gear?（）ASix by seven galvanized wire ropeBSix by twenty-four improved plow steel wire ropeCSix by thirty-seven preformed fiber-core wire ropeDSix by nineteen regular-lay filler wire rope
单选题What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.ALeadBBabbittCSolderDNothing
单选题Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE? （）AStack weights should be less when using a solid bar lashing as compared to a wire lashingBStack heights may be increased when using a solid bar lashingCStack heights should be reduced when using a solid bar lashingDSolid bars should be used for lashing the first tier only，with wire lashings on the higher tier(s)
单选题A fid is a（）.Amallet used when splicing wire ropeBsharp pointed crow bar used to unlay wire ropeCtapered steel pin used to separate wire ropeDtapered wooden pin used when splicing heavy rope
单选题The only wire rope termination which may be made in the field is（）.Aswaged socketBthimbled mechanical spliceChand spliceDspelter poured and resin sockets
单选题What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core（）.AFiber core rope offers greater strengthBFiber core rope offers greater flexibilityCFiber core rope can be used at higher operating temperaturesDFiber core rope is the only type authorized for cargo runners
单选题All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the（）.Adate of the testBload at which a test sample brokeCname of the vesselDnumber of strands and of wires in each strand