單項(xiàng)選擇題Vertically below the deckline is a circle whose outside diameter is 300mm.It is called the（）.

A.the deck line
B.Plimsoll disc
C.Plimsoll line
D.summer load line


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1.單項(xiàng)選擇題Right at the top is（）It is 300 mm long and 25 mm wide with its upper edgs in line with the uppermost continuous watertight deck.

A.the deck line
B.Plimsoll disc
C.Plimsoll line
D.sunmmer load line

2.單項(xiàng)選擇題（）is from baseline to top of the upper deck breadth at the ship’s side amidships.

A.Extreme draft
B.Molded draft
C.Extreme depth
D.Molded depth

3.單項(xiàng)選擇題（）is the depth of the vessel at ship’s side from the upper deck to the lowest point of the keel.

A.Extreme draft
B.Molded draft
C.Extreme depth
D.Molded depth

4.單項(xiàng)選擇題（）is measured from the baseline to the summer loadline at the midship section.

A.Extreme draft
B.Molded draft
C.Extreme depth
D.Molded depth

5.單項(xiàng)選擇題（）is taken from the lower most point of the keel to the summer loadline.

A.Extreme draft
B.Molded draft
C.Extreme depth
D.Molded depth