單項(xiàng)選擇題A quick and rapid motion of a vessel in a seaway is an indication of a (n)().

A.large GM
B.high center of gravity
C.excessive free surface
D.small GZ


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1.單項(xiàng)選擇題A serious loss of reserve buoyancy resulting from flooding any compartment of a ship will always().

A.increase the trim
B.change the free surface effect
C.cause a serious list
D.decrea e ship stabilty

2.單項(xiàng)選擇題A shore is a piece of securing dunnage that().

A.runs from a low supporting level up to the cargo at an angle
B.is also known as a distance piece
C.is placed on the deck under the cargo to distribute its weight evently
D.is run horizontally from a support to the cargo

4.單項(xiàng)選擇題A spreader bar is used to().

A.increase the lifting capacity
B.increase the lifting radius
C.protect the slings
D.protect the upper part of a load

5.單項(xiàng)選擇題A strong back refers to a().

A.bar securing a cargo port
B.centerline vertical bulkhead
C.deep beam
D.spanner stay