單項(xiàng)選擇題The hoist line primarily used for lifting personnel on ship cranes is called the().

A.personnel line
B.whip line
C.main hoist line
D.pendant


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1.單項(xiàng)選擇題The hinge fitting used to attach the boom to the mast is the().

A.gooseneck
B.step
C.swivel
D.pintle

2.單項(xiàng)選擇題The heaviest type pallet is the().

A.factory pallet
B.shipping pallet
C.stevedoring pallet
D.warehouse pallet

3.單項(xiàng)選擇題The head of the bend is the().

A.top or upstream beginning of a bend
B.bottom or downstream beginning of a bend
C.midpoint or center radius of a bend
D.center line or apex of a bend

4.單項(xiàng)選擇題The firing of a red star signal may mean().

A.This is the best place to land
B.You are seen - assistance will be given as soon as possible
C.Tail block is made fast
D.Slack away

5.單項(xiàng)選擇題The Coordinator Surface Search in a SAR situation should display by day().

A.the code flags FR
B.a black ball over a black diamond shape
C.code flag Quebec over a black ball
D.two black diamond shapes in a vertical line