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
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
相关考题：
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
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
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
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
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
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
On a vessel，the keel is the primary strength member of the lower hull form in which direction ________．A.TransverseB.DiagonalC.LongitudinalD.Vertical
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
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 momentB.longitudinal momentC.transverse momentD.vertical moment
For an upright vessel, draft is the vertical distance between the keel and the ______.A.waterlineB.freeboard deckC.plimsoll markD.amidships section
在自动布线参数设置中，如设置为双面板布线，则应按照（）方式进行设置。A、Top layer设置为：Horizontal；Bottom layer设置为：AnyB、Top layer设置为：Vertical；Bottom layer设置为：AnyC、Top layer设置为：Horizontal；Bottom layer设置为：VerticalD、Top layer设置为：Not Used；Bottom layer设置为：Vertical
（）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
单选题The hull is divided up into a number of watertight compartments by（）.Ainner bottom plating and longitudinalsBdecks and bulkheadsCdouble bottom girdersDtopside and hopper tank sloping plating and longitudinals
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（）.Aair gapBfreeboardCpenetrationDwater depth
单选题Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in （）.Awaste of powerBsudden sheering to either sideCsluggish rudder responseDAll of the above
单选题Of the following，the most important consideration for a tanker is（）.AGMBthe vertical center of gravityCthe longitudinal center of gravityDthe stress on the hull
单选题The vertical distance between G and M is used as a measure of（）.Astability at all angles of inclinationBinitial stabilityCstability at angles less than the limit of positive stabilityDstability at angles less than the downflooding angle
单选题Air gap is the vertical distance between the bottom of the hull and the（）.Astill water levelBwave crestCwave crest plus the charted water depth and tidal correctionsDwave crest plus the charted water depth and tidal correction and storm surge
单选题The inner bottom is the（）.Atank topBcompartment between the tank top and shell of the vesselCinner side of the vessel's shellDspace between two transverse bottom frames
单选题When we say that two objects have relative motion, we mean （）.Athe distance between them remains the sameBthe distance between them is changingCthe position between them is not changingDtheir positions to the earth remain the same
单选题What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）AThe type of anchor and mooring line being usedBThe type of bottom in which the ship is anchoredCA significant difference between air and water temperatureDThe chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead
单选题The distance between the bottom of the hull and the waterline is called （）.AtonnageBreserve buoyancyCdraftDfreeboard
单选题For an upright vessel, draft is the vertical distance between the keel and the （）.AwaterlineBfreeboard deckCPlimsoll markDamidships section
单选题0f the following, the most important consideration for a tank vessel is（）.AGMBthe vertical center of gravityCthe longitudinal center of gravityDthe stress on the hull