When liquid is free to move transversely in a tank，the effect is called（）.

A、free communication

B、free density

C、free surface

D、negative GM

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更多“When liquid is free to move transversely in a tank，the effect is called（）.”相关的问题

第1题

[单选题] When liquid is free to move transversely in a tank, the effect is called（）.

A、Free communication B、Free fensity C、Free surface D、Negative GM

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第2题

[单选题] The static suction lift of a pump is the difference in elevation between the （）.

A、centerline of the pump and the level of the liquid in the suction well when the source of liquid is below the pump B、centerline of the pump and the suction liquid level when the source of liquid is above the pump C、centerline of the pump and the level of the discharge liquid D、liquid levels of the suction and discharge

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第3题

[单选题] What is the principal danger from the liquid in a half full tank onboard a vessel?（）

A、Corrosion from the shifting liquid B、Rupturing of bulkheads from the shifting liquid C、Loss of stability from free surface effect D、Holing of the tank bottom from the weight of the shifting liquid

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第4题

[单选题] To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.

A、total weight of liquid loads B、total displacement C、lightweight D、deadweight

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第5题

[单选题] When the（）is large, the ship is stiff; and when it is small, she is tender.

A、GM B、free surface C、longitudinal center of gravity D、transverse center of gravity

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第6题

[单选题] Sulfuric acid is a（）.

A、clear syrupy liquid with no odor B、colorless-to-brown liquid with a choking odor when hot C、colorless liquid with a pleasant fruity odor D、whitish liquid with a faint，pleasant odor

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第7题

[单选题] A pump is said to have "negative suction head" when the pump is located （）.

A、between the suction and discharge B、below the liquid supply C、above the liquid supply D、any of the above

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第8题

[单选题] The original equilibrium position is stable when（）.

A、metacentric height is positive B、metacentric radius is positive C、KG exceeds maximum allowable limits D、free surfaces are excessive

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第9题

[单选题] The original equilibrium position is stable when（）.

A、metacentric height is positive B、metacentric radius is positive C、KG exceeds maximum allowable limits D、free surfaces are excessive