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
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 gap
B.freeboard
C.penetration
D.water depth
相关考题：
The harbour survived the storm owing to____________.A. the shape of the harbourB. the arms of the bayC. the still water in the channelD. the long coast line
Clearance gauges at bridges indicate ______.A.the height of the tideB.depth of water under the bridgeC.charted vertical clearance at mean low waterD.distance from the water to low steel of the bridge
The meaning of ebb tide is that ______.A.tide is falling from high water to low waterB.tide is rising from low water to high waterC.tide is reaching to a highest levelD.tide is reaching to a lowest level
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
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
______:the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.A.BuoyancyB.FreeboardC.DraftD.Displacement
从水面到甲板之间的高度称之为干舷。（）A、The height from the bottom of a vessel to the weather deck is called freeboard.B、The depth from water level to the bottom of a vessel is called freeboard.C、The length from the bow to stern of a vessel is called freeboard.D、The height from water level to the main deck is called freeboard.
单选题The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as（）.AadvanceBhead reachCsurgeDtransfer
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A tropical storm is building strength some distance from your ship. Waves are coming from the east，with periods increasing from 5 seconds to 15 seconds. The swell is from the east. Where was the storm when these new swells were generated? （）ATo the north of youBTo the south of youCTo the east of youDTo the west of you
单选题The height of a light is measured from which reference plane?（）AMean low waterBMean high waterCAverage water levelDGeographical sea level
单选题A shore is a piece of securing dunnage that（）.Aruns from a low supporting level up to the cargo at an angleBis also known as a distance pieceCis placed on the deck under the cargo to distribute its weight eventlyDis run horizontally from a support to the cargo
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Immediately after starting a diesel engine, normal raw water and jacket water pressure are indicatedHowever, the jacket water temperature continues to rise, if there is no change in the sea temperature, you should suspect（）Aoverloading in all cylindersBa jammed three-way thermostatic valveCchromate PH too lowDa high level in the surge tank
单选题The height from water level to the weather deck is called（）.AheightBfreeboardCdraftDwaterline
单选题Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.Aprogressive downfloodingBreducing the level of drill water from the storage tanksCcausing a list due to the water in the compartmentDreducing the KG to minimum allowable
单选题The pitch of a propeller is a measure of the（）.Aangle that the propeller makes with a free stream of waterBangle that the propeller makes with the surface of the waterCnumber of feet per revolution the propeller is designed to advance in still water without slipDpositive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without slip
单选题Water level controllers of the boiler must be kept operable to protect external steam-using plant from water “（）” danger.Acarry offBcarry downCcarry onDcarry over
单选题The height of a wave is the vertical distance（）.Afrom the still water plane to the crestBfrom the still water plane to the troughCfrom crest to troughDbetween water levels at one-quarter of the wave's length
单选题The meaning of ebb tide is that （）.Atide is falling from high water to low waterBtide is rising from low water to high waterCtide is reaching to a highest levelDtide is reaching to a lowest level
单选题Charted depth is the（）.Avertical distance from the tidal datum to the ocean bottom plus the height of the tideBvertical distance from the tidal datum to the ocean bottomCaverage height of water over a specified period of timeDaverage height of all low waters at a place
单选题Charted depth is the （）.Avertical distance from the chart sounding datum to the ocean bottom，plus the height of tideBvertical distance from the chart sounding datum to the ocean bottomCaverage height of water over a specified period of timeDaverage height of all low waters at a place
单选题从水面到甲板之间的高度称之为干舷。（）AThe height from the bottom of a vessel to the weather deck is called freeboard.BThe depth from water level to the bottom of a vessel is called freeboard.CThe length from the bow to stern of a vessel is called freeboard.DThe height from water level to the main deck is called freeboard.