A、personnel line
B、whip line
C、main hoist line
D、pendant
更多“The hoist line primarily used for lifting personnel on ship cranes is called the（）.”相关的问题
A、Hoist rope is not kinked B、Multiple part lines are not twisted around each other C、The hook is centrally located over the load D、All of the above
A、The vessel should be stopped with the wind dead ahead during the hoisting operation B、Flags should be flown to provide a visual reference as to the direction of the apparent wind C、The drop line should be grounded first then secured as close to the hoist point as possible D、The hoist area should be located as far aft as possible so the pilot will have a visual reference while approaching
A、when the line pull reaches the rated winch capacity B、after the line pull exceeds the rated winch capacity C、after a short build-up of torque D、immediately
A、when the line pull reaches the rated winch capacity B、after the line pull exceeds the rated winch capacity C、after a short build-up of torque D、immediately
A、A.Hoist the boat clear of the cradle B、B.Release the outboard part of the cradle C、C.Rig the tricing lines D、D.Crank the crescent out
A、transport tubulars from the pipe racks to the derrick floor B、maintain constant tension on the marine riser C、store and secure the excess drill line D、lower and hoist the drill string into and out of the drilled hole
A、Personnel may work beneath suspended loads，as long as they are alert and wear hard hats B、If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach C、If tag lines are used to control a suspended load，they should be secured to the deck D、Personnel not involved in the hoisting operation should be kept clear of the transfer area
A、Personnel may work beneath suspended loads，as long as they are alert and wear hard hats B、If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach C、If tag lines are used to control a suspended load，they should be secured to the deck D、Personnel not involved in the hoisting operation should be kept clear of the transfer area
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