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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
参考答案
更多 “ Which wire rope purchases may be used with a 30-ton pedestal crane ________．A.HoistB.LuffC.Rider blockD.All of the above ” 相关考题
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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
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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）
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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
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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
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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
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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
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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
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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
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Galvanizing would be suitable for protecting wire rope which is used for ______.A.cargo runnersB.staysC.topping liftsD.All of the above
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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
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单选题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
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单选题During which condition should the operator of a pedestal crane shutdown operations?（）A
Lightning in the vicinityB
An approaching squall lineC
A fire on the pierD
All of the above
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单选题Which is normally used to hold wire rope for splicing（）.A
Come alongB
JiggerC
Rigger's screwD
Sealing clamp
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单选题What is the purpose of the equalizing beam aboard a crane vessel（）.A
It allows for rotation of the hook in the single modeB
It is required to“twin-up”30-ton pedestal cranesC
It is used to pick up light loadsD
It is used to rigidly connect two cranes
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单选题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
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单选题During which condition should the operator of a pedestal crane shutdown operations?（）A
LightningB
High windsC
Fire aboardD
All of the above
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单选题During which condition should the operator of a pedestal crane shutdown operations?（）A
BunkeringB
High windsC
Potable water spill on deck
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单选题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
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单选题Which action(s) should the operator of a pedestal crane take if crane control is lost?（）A
Let go of both control levers and return to neutral positionB
Press the emergency stopC
Notify the mate on watchD
All of the above
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单选题Galvanizing would not be suitable for protecting wire rope which is used for（）.A
cargo runnersB
mooring wiresC
shroudsD
stays
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单选题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
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单选题What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.A
LeadB
BabbittC
SolderD
Nothing
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单选题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)
考题
单选题A fid is a（）.A
mallet used when splicing wire ropeB
sharp pointed crow bar used to unlay wire ropeC
tapered steel pin used to separate wire ropeD
tapered wooden pin used when splicing heavy rope
考题
单选题The only wire rope termination which may be made in the field is（）.A
swaged socketB
thimbled mechanical spliceC
hand spliceD
spelter poured and resin sockets
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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（）.A
Fiber core rope offers greater strengthB
Fiber core rope offers greater flexibilityC
Fiber core rope can be used at higher operating temperaturesD
Fiber core rope is the only type authorized for cargo runners
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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（）.A
date of the testB
load at which a test sample brokeC
name of the vesselD
number of strands and of wires in each strand
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