A、yearly inspection
B、quarterly inspection
C、monthly inspection
D、weekly inspection
更多“A ship crane which has been idle for a period of over six months shall be inspected to the same standards as a（）.”相关的问题
A、A.A centerline crane can never be operated in tandem B、B.One crane is able to work one end of two adjacent hatches C、C.These cranes are more economical and weigh less than outboard-mounted cranes D、D.One crane is able to work both sides of the ship
A、Sailors should know the SWL of cranes on board their ship. B、Sailors should know the SWL of derricks on board their ship. C、Officers should know the SWL of derricks on board their ship. D、Officers should know the SWL of cranes on board their ship.
A、A.yearly inspection B、B.quarterly inspection C、C.monthly inspection D、D.weekly inspection
A、The cranes may be operated independently B、The cranes may be interconnected for twin operation C、When twinned，the crane rotation on the foundation assembly is unlimited D、All of the above
A、A.The cranes may be operated independently B、B.The cranes may be interconnected for twin operation C、C.The cranes are powered by independent internal combustion power units D、D.All of the above
A、A.Radio communications allow the crane operator to disregard the use of hand signals B、B.The crane operators and signalman must be familiar with the correct hand signals C、C.The forward cranes can be operated from the bridge D、D.The aft cranes can be operated from the aft steering station
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