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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
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更多 “ 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 ” 相关考题
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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
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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
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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
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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
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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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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
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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
考题
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
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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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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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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
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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.
考题
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
考题
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
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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
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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”.
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单选题What is the distance from the bottom of a wave trough to the top of a wave crest?（）A
Wave lengthB
Wave heightC
Wave breadthD
wave depth
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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（）.A
abyssal plainB
continental shelfC
borderlandD
offshore terrace
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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
考题
单选题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
考题
单选题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
考题
单选题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
考题
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”.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”.
考题
单选题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
考题
单选题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
考题
单选题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
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