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crane（）
- A、起货机
- B、起重机
- C、龙门吊
- D、重吊杆
参考答案
更多 “crane（）A、起货机B、起重机C、龙门吊D、重吊杆” 相关考题
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The electrical components for each single crane are installed in its ______.A.crane houseB.machinery baseC.turntableD.All of the above
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The net productivity per gang-hour can be improved through a decrease of ______.A.cranes／derricksB.crane／derrick cyclesC.crane／derrick cycle timeD.weight per package
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Which statement(s) is/are TRUE concerning crane cargo operations?A.Do not exceed rated load capacity of crane and container spreader or slingsB.During any cargo handling operation，the safety of personnel is paramountC.Cargo handlers must be outfitted with adequate protection from personal injuryD.All the above
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On no account ______ to be exceeded．A.is the SWL of the craneB.are the SWL of the craneC.the SWL of the crane isD.the SWL of the crane are
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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
考题
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels ________．A.A centerline crane can never be operated in tandemB.One crane is able to work one end of two adjacent hatchesC.These cranes are more economical and weigh less than outboard-mounted cranesD.One crane is able to work both sides of the ship
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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 of the following statements is TRUE regarding crane operations ________．A.Radio communications allow the crane operator to disregard the use of hand signalsB.The crane operators and signalman must be familiar with the correct hand signalsC.The forward cranes can be operated from the bridgeD.The aft cranes can be operated from the aft steering station
考题
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
考题
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
考题
单选题For any given pedestal crane,when the boom is lengthened, the lifing capacity is（）.A
unchangedB
increasedC
eliminatedD
decreased
考题
单选题On no account（）to be exceeded.A
is the S.W.L. of the craneB
are the S.W.L. of the craneC
the S.W.L. of the crane isD
the S.W.L.of the crane are
考题
单选题On no account（）to be exceeded.A
is the SWL of the craneB
are the SWL of the craneC
the SWL of the crane isD
the SWL of the crane are
考题
单选题Which of the following statements is TRUE regarding crane operations（）.A
Radio communications allow the crane operator to disregard the use of hand signalsB
The crane operators and signalman must be familiar with the correct hand signalsC
The forward cranes can be operated from the bridgeD
The aft cranes can be operated from the aft steering station
考题
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
考题
单选题Which statement(s) is/are TRUE concerning crane cargo operations? （）A
Do not exceed rated load capacity of crane and container spreader or slingsB
During any cargo handling operation，the safety of personnel is paramountC
Cargo handlers must be outfitted with adequate protection from personal injuryD
All the above
考题
单选题Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.A
A centerline crane can never be operated in tandemB
One crane is able to work one end of two adjacent hatchesC
These cranes are more economical and weigh less than outboard-mounted cranesD
One crane is able to work both sides of the ship
考题
单选题In a ordinary cargo crane, （） is fitted to rotate the crane.A
the slewing motorB
the lulling motorC
the hoisting motorD
none of the above
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单选题A （）(重吊杆)is used for lifting long heavy cargo.A
derrickB
craneC
jumbo boornD
special crane
考题
单选题0n no account（）to be exceeded.A
is the S.W.L.of the craneB
are the S.W.L. of the craneC
the S.W.L. of the crane isD
the S.W.L. of the crane are
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