单选题A （）can give power to hoist or lower cargo.Acargo winchBlift winchCderrickDcrane
单选题
A （）can give power to hoist or lower cargo.
A
cargo winch
B
lift winch
C
derrick
D
crane
参考解析
解析：
暂无解析
相关考题：
Before lift up the patient with hoist, make sure . () A. the hoist and sling are in good conditionB. give explanation to the patientC. practice the equipment before liftingD. choose the right size for the patient
Which statement is FALSE regarding the operation of a crane ________．A.The crane jib is raised and lowered by the luffing winchB.The cargo block is raised and lowered by the hoisting winchC.The cargo block is raised and lowered by the luffing winchD.None of the above
If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur ________．A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the loadB.An electromagnetic brake will hold the load where it is suspendedC.The load will fall rapidly to the deck unless the foot brake is engagedD.The load will slowly lower to the deck under control of the drag of the winch motor
The jumbo boom can （）.A、lift heavy cargoB、load and unloadC、join ropes togetherD、lift light cargo
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。
The （）(浮吊) can float on water used to load and unload the cargo.A、floating craneB、jumbo boomC、union purchaseD、crane
单选题Stress on the topping lift of a swinging boom can be reduced by（）.Arigging a back stayBraising the boomCincreasing the mechanical advantage of the cargo purchaseDtaking all slack out of the preventer
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。
单选题Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift? （）AThe discharge is slow due to the size of the cargo and all the cranes working togetherBThe cargo discharge can be accomplished with controlled pendulationCThe cargo discharge can be performed in port or at anchorDThe cranes enable the handling of heavy cargos without shoreside assistance
单选题In a general cargo crane, （） is fitted to raise or lower the jib.Athe slewing motorBthe luffing motorCthe hoisting motorDnone of the above
单选题It’s（）to stow optional cargo in the lower hold．You’d better give it block stowage in the tweendecks，then it can be easily discharged either at Shanghai，or Dalian or Tianjin.ApossibleBimpossibleCproperDimproper
单选题In a general cargo crane, （） is fitted to lift the cargo load.Athe slewing motorBthe luffing motorCthe hoisting motorDnone of the above
单选题If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）AA pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the loadBAn electromagnetic brake will hold the load where it is suspendedCThe load will fall rapidly to the deck unless the foot brake is engagedDThe load will slowly lower to the deck under control of the drag of the winch motor