A （）can give power to hoist or lower the cargo.
Pedestal cranes have limit switches to restrict movement of which function（s）________．A.Hoist upper & lower limitsB.Luff travel limitsC.Rider block hoist upper & lower limitsD.All of the above
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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
吊货钢丝绳（）A、cargo wireB、winchC、greaseD、rope
Prepare for （）(弃货) cargo.A、jettisoningB、loweringC、hoistingD、abandoning
The （）(浮吊) can float on water used to load and unload the cargo.A、floating craneB、jumbo boomC、union purchaseD、crane
Each （）consists of two or more panels.A、coverB、hatchC、derrickD、winch
You can’t use hooks in handling （）cargo.A、baggedB、bulkC、heavyD、light
