單項選擇題The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the().

A.deck
B.head of the boom
C.heel of the boom
D.mast or king post


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1.單項選擇題The pneumatic containers which store bulk dry mud additives and cement on a ship are called().

A.mud hoppers
B.bulk bins
C.P-tanks
D.mud tanks

2.單項選擇題The greatest strain,when lifting a load with the jumbo purchase,is on().

A.all of the parts,dividing the load equally
B.the hauling part because it must absorb the frictional losses of all the sheaves
C.the parts in the movable block
D.the standing part because it is directly connected to the weight

5.單項選擇題Prior to backloading portable tanks or drums onto an offshore supply vessel,check that each tank is().

A.painted yellow with diagonal black striping
B.capped and checked for leaks
C.coated with non-corrosive protection
D.mounted on pallets