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Air gap is the vertical distance between the bottom of the hull and the ______．
A.Still water level
B.Wave crest
C.Wave crest plus the charted water depth and tidal corrections
D.Wave crest plus the charted water depth and tidal correction and storm surge
参考答案
更多 “ Air gap is the vertical distance between the bottom of the hull and the ______．A.Still water levelB.Wave crestC.Wave crest plus the charted water depth and tidal correctionsD.Wave crest plus the charted water depth and tidal correction and storm surge ” 相关考题
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Of the following, the most important consideration for a tank vessel is ______.A.GMB.the vertical center of gravityC.the longitudinal center of gravityD.the stress on the hull
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Charted depth is the ______.A.vertical distance from the chart sounding datum to the ocean bottom，plus the height of tideB.vertical distance from the chart sounding datum to the ocean bottomC.average height of water over a specified period of timeD.average height of all low waters at a place
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Charted depth is the ______.A.vertical distance from the tidal datum to the ocean bottom plus the height of the tideB.vertical distance from the tidal datum to the ocean bottomC.average height of water over a specified period of timeD.average height of all low waters at a place
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The recording fathometer produces a graphic record of the ______．A.bottom contour only up to depths of 100 fathomsB.depth underneath the keel against a time baseC.contour of the bottom against a distance baseD.depth of water against a distance base
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On a vessel，the keel is the primary strength member of the lower hull form in which direction ________．A.TransverseB.DiagonalC.LongitudinalD.Vertical
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The hull is divided up into a number of watertight compartments by ______．A.inner bottom plating and longitudinalsB.decks and bulkheadsC.double bottom girdersD.topside and hopper tank sloping plating and longitudinals
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For an upright vessel, draft is the vertical distance between the keel and the ______.A.waterlineB.freeboard deckC.plimsoll markD.amidships section
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（）is applied to the area of the ship’s hull which is out of water when the ship is loaded.A、Boottopping paintB、Topside paintC、Bottom paintD、Primer
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单选题The hull is divided up into a number of watertight compartments by（）.A
inner bottom plating and longitudinalsB
decks and bulkheadsC
double bottom girdersD
topside and hopper tank sloping plating and longitudinals
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单选题The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.A
air gapB
freeboardC
penetrationD
water depth
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单选题Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in （）.A
waste of powerB
sudden sheering to either sideC
sluggish rudder responseD
All of the above
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单选题Of the following，the most important consideration for a tanker is（）.A
GMB
the vertical center of gravityC
the longitudinal center of gravityD
the stress on the hull
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单选题The vertical distance between G and M is used as a measure of（）.A
stability at all angles of inclinationB
initial stabilityC
stability at angles less than the limit of positive stabilityD
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单选题Air gap is the vertical distance between the bottom of the hull and the（）.A
still water levelB
wave crestC
wave crest plus the charted water depth and tidal correctionsD
wave crest plus the charted water depth and tidal correction and storm surge
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单选题The distance between rivets in a row is known as the（）.A
armB
pitchC
gageD
rivet distance
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单选题The inner bottom is the（）.A
tank topB
compartment between the tank top and shell of the vesselC
inner side of the vessel's shellD
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the distance between them remains the sameB
the distance between them is changingC
the position between them is not changingD
their positions to the earth remain the same
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单选题What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）A
The type of anchor and mooring line being usedB
The type of bottom in which the ship is anchoredC
A significant difference between air and water temperatureD
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单选题The distance between the bottom of the hull and the waterline is called （）.A
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draftD
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单选题For an upright vessel, draft is the vertical distance between the keel and the （）.A
waterlineB
freeboard deckC
Plimsoll markD
amidships section
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单选题0f the following, the most important consideration for a tank vessel is（）.A
GMB
the vertical center of gravityC
the longitudinal center of gravityD
the stress on the hull
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