單項(xiàng)選擇題

How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）

A.Black and white stripes with an interrupted quick flashing light
B.Black and red stripes with a Morse (A) light
C.Black and red stripes with an interrupted quick flashing light
D.Red and white stripes with a Morse (A) light

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單項(xiàng)選擇題

How does the effect known as “bank suction” act on a single-screw vessel proceeding along a narrow channel?（）

A.It pulls the stern toward the bank
B.It heels the vessel toward the bank
C.It pushes the entire vessel away from the bank
D.It pulls the bow toward the bank

單項(xiàng)選擇題

How does foam extinguish an oil fire?（）

A.By cooling the oil below the ignition temperature
B.By removing the fuel source from the fire
C.By excluding the oxygen from the fire
D.By increasing the weight of the oil

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How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）

你可能感興趣的試題

How does the effect known as “bank suction” act on a single-screw vessel proceeding along a narrow channel?（）

How does foam extinguish an oil fire?（）

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How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）