你可能感興趣的試題

單項(xiàng)選擇題

Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.

A.barometer
B.wind vane
C.anemometer
D.thermometer

單項(xiàng)選擇題

A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.

A.during the day，three balls in a vertical line
B.during the day，three shapes，the highest and lowest being balls and the middle being a diamond
C.when making way at night，two all-round red lights，sidelights，and a sternlight
D.when making way at night，masthead lights，sidelights，and a sternlight

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As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called（）.

你可能感興趣的試題

Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.

A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.

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As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called（）.

A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.