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单选题
The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.（）
A
重吊杆吊重货和集装箱货。
B
龙门吊能起吊重件货，重吊杆能起吊集装箱。
C
重吊杆能起吊重件货，龙门吊能起吊集装箱。
D
龙门吊吊重货和集装箱货。
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更多 “单选题The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.（）A 重吊杆吊重货和集装箱货。B 龙门吊能起吊重件货，重吊杆能起吊集装箱。C 重吊杆能起吊重件货，龙门吊能起吊集装箱。D 龙门吊吊重货和集装箱货。” 相关考题
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Stress on the topping lift of a swinging boom can be reduced by ______.A.rigging a back stayB.raising the boomC.increasing the mechanical advantage of the cargo purchaseD.taking all slack out of the preventer
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When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to ______．A.winch speedB.boom strengthC.load radiusD.cable strength
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Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom ________．A.Cargo whipB.Gooseneck fittingC.Spider bandD.Topping lift
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The jumbo boom can （）.A、lift heavy cargoB、load and unloadC、join ropes togetherD、lift light cargo
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The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.（）A、重吊杆吊重货和集装箱货。B、龙门吊能起吊重件货，重吊杆能起吊集装箱。C、重吊杆能起吊重件货，龙门吊能起吊集装箱。D、龙门吊吊重货和集装箱货。
考题
The （）(浮吊) can float on water used to load and unload the cargo.A、floating craneB、jumbo boomC、union purchaseD、crane
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Heavy cargo might break （）cargo, so it can’t be stowed on top of it.A、lightB、bulkC、dangerousD、wet
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The （）(笨重货) must be handled by jumbo boom or shore crane.A、awkward cargoB、drummed cargoC、cased cargoD、heavy cargo
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What is the disadvantage for air transportation? （）A、Quick but not safeB、Less frequencyC、It can’t lift heavy goodsD、The highest cost in all transport modes
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（）is the disadvantage for air transportation?A、Quick but not safeB、Less frequencyC、It can’t lift heavy goodsD、the highest cost in all transport modes
考题
单选题（）is the disadvantage for air transportation?A
Quick but not safeB
Less frequencyC
It can’t lift heavy goodsD
the highest cost in all transport modes
考题
单选题The （）(笨重货) must be handled by jumbo boom or shore crane.A
awkward cargoB
drummed cargoC
cased cargoD
heavy cargo
考题
单选题The （）(重吊杆) can lift heavy cargo.A
heavy cargo derrickB
heavy deckC
jumbo boomD
heavy block
考题
单选题Stress on the topping lift of a swinging boom can be reduced by（）.A
rigging a back stayB
raising the boomC
increasing the mechanical advantage of the cargo purchaseD
taking all slack out of the preventer
考题
单选题For occasional heavy loads, two cranes can be arranged to work together. The operating （） for deck crane motors may be hydraulic electric.A
principleB
mediumC
instructionD
voltage
考题
单选题What is the disadvantage for air transportation? （）A
Quick but not safeB
Less frequencyC
It can’t lift heavy goodsD
The highest cost in all transport modes
考题
单选题The jumbo boom can （）.A
lift heavy cargoB
load and unloadC
join ropes togetherD
lift light cargo
考题
单选题Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift? （）A
The discharge is slow due to the size of the cargo and all the cranes working togetherB
The cargo discharge can be accomplished with controlled pendulationC
The cargo discharge can be performed in port or at anchorD
The cranes enable the handling of heavy cargos without shoreside assistance
考题
单选题In a general cargo crane, （） is fitted to lift the cargo load.A
the slewing motorB
the luffing motorC
the hoisting motorD
none of the above
考题
单选题The majority of cargo gear breakdowns are a result of（）.A
Guy failuresB
Topping lift failuresC
Bending of the boom from compressionD
Gooseneck failure
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