英译中:Crane
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
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
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
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
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
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