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
Charted depth is the ______.
A.vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B.vertical distance from the tidal datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
相关考题：
On small scale charts of ocean areas where hydrographic information is，in many cases，still sparse，charted shoals may be in error as regards______．A.positionB.position，depth and extentC.depth and extentD.position and extent
The distance between the surface of the water and the tidal datum is the______．A.height of tideB.charted depthC.actual water depthD.range of tide
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 distance between the surface of the water and the tidal datum is the ______.A.range of tideB.height of tideC.charted depthD.actual 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 gapB.freeboardC.penetrationD.water depth
The height of tide is the ______.A.depth of water at a specific time due to tidal effectB.difference between the depth of the water and the area's tidal datumC.difference between the depth of the water and the high water tidal levelD.difference between the depth of the water at high tide and the depth of the water at low tide
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
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is ______．A.the actual depthB.added to or subtracted from the charted depthC.multiplied by the charted depthD.divided by the charted depth
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
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
All echo-sounders can measure the ______．A.Actual depth of waterB.Actual depth of water below keelC.Average depth from waterline to hard bottomD.Average depth of water to soft bottom
A channel is started as having a controlling depth of 38 feet. Which statement is TRUE?_____A.At least 80% of the channel is cleared to the charted depth.B.At least 50% of the channel is cleared to the charted depth.C.100% of the channel depth is clear to 38 feet.D.The sides of the channel conform to at least 50% of the controlling depth.
Chart depth is the ______.A.vertical distance from the tidal datum to the ocean bottom, plus the height of 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
Chart 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
In determining the scope of anchor line to pay out when anchoring a small boat, one must consider the ______.A.charted depth of water onlyB.depth of water, including tidal differencesC.time and date of anchoringD.type of anchor being used
从水线到船底是“吃水”。（）A、“From the centerline to the ship’s bottom” is “draft”.B、“From the keel to the ship’s bottom” is “draft”.C、The maximum distance from the waterline to the ship’s bottom is “draft”.D、“From the centerline to the ship’s main deck” is “draft”.
单选题What is the distance from the bottom of a wave trough to the top of a wave crest?（）AWave lengthBWave heightCWave breadthDwave depth
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The ocean bottom that extends from the shoreline out to an area where there is a marked change in slope to a greater depth is the（）.Aabyssal plainBcontinental shelfCborderlandDoffshore terrace
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 height of tide is the （）.Adepth of water at a specific time due to tidal effectBdifference between the depth of the water and the area's tidal datumCdifference between the depth of the water and the high water tidal levelDdifference between the depth of the water at high tide and the depth of the water at low tide
单选题The distance between the surface of the water and the tidal datum is the （）.Arange of tideBheight of tideCcharted depthDactual water depth
单选题To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.Athe actual depthBadded to or subtracted from the charted depthCmultiplied by the charted depthDdivided by the charted depth
单选题从水线到船底是“吃水”。（）A“From the centerline to the ship’s bottom” is “draft”.B“From the keel to the ship’s bottom” is “draft”.CThe maximum distance from the waterline to the ship’s bottom is “draft”.D“From the centerline to the ship’s main deck” is “draft”.
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All echo-sounders can measure the（）.Aactual depth of waterBactual depth of water below keelCaverage depth from waterline to hard bottomDaverage depth of water to soft bottom