A vertical shife of weight to a position above the vessel''s center of gravity will（）.

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• Assuming an even transverse distribution of weight in a vessel，which condition could cause a list?（）.

  A . Empty double-bottoms and lower holds，and a heavy deck cargo B . Flooding the forepeak to correct the vessel's trim C . Having KG smaller than KM D . Having a small positive righting arm

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• Aboard a vessel, dividing the sum of the vertical moments by the total weight yields the vessel’s（）.

  A . height of the center of gravity A.LCG B . vertical moment C . righting moment D . inclining moment

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• The vertical movement of a vessel in the water is called（）.

  A . pitch B . sway C . heave D . roll

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• （）indicates the weight of the vessel and is,therefore,according to a well known principle of physics,equal to the weight of the water it displaces.

  A . Gross tonnage B . Net tonnage C . Displacement tonnage D . Deadweight tonnage

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• A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.

  A . towing vessel is less than 50 meters B . towing vessel is greater than 50 meters C . tow is less than 200 meters D . tow is greater than 200 meter

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• A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.

  A . engaged in underwater construction B . under sail and power C . a pilot vessel D . trawling

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• If the vertical center of gravity (VCG) of a ship rises 1.7 feet，the righting arm (GZ) for the various angles of inclination will（）.

  A . decrease B . increase C . remain unchanged D . be changed by the amount of GG' x cosine of the angle

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• After transferring a weight forward on a vessel, the draft at the center of flotation will（）.

  A . change, depending on the location of the LCG B . increase C . decrease D . remain constant

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• Angular motion about the vertical axis of a vessel is called（）.

  A . yaw B . surge C . sway D . roll

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• For a given weight of cargo，the stress on the heel block of a cargo boom（）.

  A . increases as the cargo closes the head while hoisting B . increases if the cargo runner is doubled up C . decreases as the boom is topped to a greater angle D . is determined by the thrust stresses on the boom

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• A cloud of marked vertical development (often anvil-shaped) would be classified as（）.

  A . cirrus B . cirrocumulus C . altocumulus D . cumulonimbu

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• The cylinder contains a great weight of air and is capable of burning a great quantity of fuel at（）.

  A . the beginning of the compression stroke B . the beginning of the suction stroke C . the end of the working stroke D . the end of the exhaust stroke

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• Which of the fire extinguishers listed is to be weighed annually and sent ashore for recharging if the weight loss exceeds 10% of the weight of a full charge?（）

  A . Foam B . Soda acid C . Dry chemical D . Carbon dioxide

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• The displacement of a ship is to the total weight, all told, of the relevant loaded ship（）

  A . larger B . equal C . smaller D . equivalent

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• The height of a wave is the vertical distance（）.

  A . from the still water plane to the crest B . from the still water plane to the trough C . from crest to trough D . between water levels at one-quarter of the wave's length

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• “A centrifuge consists of an electric motor driving a vertical shaft on the top of which is mounted the bowl assembly”.According to this sentence, we can know that is mounted on the top of the vertical shaft（）

  A . a centrifuge B . an electric motor C . a bowl assembly D . a driving motor

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• The vertical distance between G and M is used as a measure of（）.

  A . stability at all angles of inclination B . initial stability C . stability at angles less than the limit of positive stability D . stability at angles less than the downflooding angle

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• Specific gravity is a number representing the ratio of a mineral’s weight to the weight of an equal volume of ( ).

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• The weight of a 1-year-old infant is about ?

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• A cloud of marked vertical development (often anvil-shaped) would be classified as ______.

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• The value of a firm is maximized when the weighted average cost of capital is minimized。 （ ）

  A:对 B:错

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• Aboard a vessel, dividing the sum of the vertical moments by total weight yields the vessel’s_____.

  A.height of the center of gravity B.vertical moments C.righting moments D.inclining moments

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• sel is vertically aligned with the ______．◑A.longitudinal centerline◑B.center of flotation◑C.original vertical centerline◑D.metacenter

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• What is the definition of a path？ （)A．A sequence of vertices and the edges formed by each

  What is the definition of a path？ () A．A sequence of vertices and the edges formed by each successive pair of vertices B．A walk with distinct vertices C．A walk with distinct edges D．None of the above

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