搜题

【单选题】

If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.

A、require ballast

B、be down by the head

C、sink

D、float

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更多“If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.”相关的问题

第1题

[单选题] Reserve buoyancy is the（）.

A、unoccupied space below the waterline B、volume of intact space above the waterline C、excess of the buoyant force over the gravity force D、difference in the buoyant force in salt and fresh waters

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第2题

[单选题] For a vessel inclined by the wind, multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the（）.

A、righting moment B、vertical moment C、longitudinal moment D、transverse moment

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第3题

[单选题] If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.

A、require ballast B、be down by the head C、sink D、float

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第4题

[] For a vessel inclined by the wind，multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the（）.

A、A.righting moment B、B.vertical moment C、C.longitudinal moment D、D.transverse moment

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第5题

[单选题] Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the（）.

A、upward-acting weight force B、downward-acting weight force C、upward-acting buoyant force D、environmental force

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第6题

[单选题] If the buoyant force on a ships hull is equal to or greater than the displacement tonnage, the ship will （）.

A、require ballast added to only the port side tanks B、be down by the head C、sink D、float

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第7题

[单选题] In snall angle stability, when external forces exist , the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.

A、center of gravity B、center of flotation C、metacenter D、metacentric height

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第8题

[单选题] In small-angle stability，when external forces exist，the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.

A、center of gravity B、center of flotation C、metacenter D、metacentric height

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第9题

[单选题] At all angles of inclination，the metacenter is（）.

A、vertically above the center of buoyancy B、vertically above the center of gravity C、at the intersection of the upright vertical centerline and the line of action of the buoyant force D、at the geometric center of the underwater volume

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