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 chart sounding datum to the ocean bottom，plus the height of tide
B.vertical distance from the chart sounding 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
A true bearing of a charted object，when plotted on a chart，will establish a ______.A.fixB.line of positionC.relative bearingD.range
When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.A.a straight line drawn on the chart approximates a great circleB.the chart should not be used outside of the standard parallelsC.the course angle is measured at the mid-longitude of the track lineD.distance cannot be measured directly from the chart
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
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
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
单选题A true bearing of a charted object，when plotted on a chart，will establish a （）.AfixBline of positionCrelative bearingDrange
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Attention is called to the fact in many cases pipelines are not buried and charted depth may be decreased（）up to teo meters.AwithBbyConDin
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When a feature remains in its existing charted position but has a change of characteristic,（）command is used on a chart.AMOVEBDELETECAMENDDSUBSTITUTE
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The minimum length of a boat painter for a lifeboat in ocean service is（）.A60 fathomsBthe distance from the main deck to the light waterlineCtwice the distance from the main deck to the light waterline or 50 feet whichever is greaterDtwo times the distance from the boat deck to the light waterline or 50 feet whichever is greater
单选题Stand of the tide is that time when（）.Athe vertical rise or fall of the tide has stoppedBslack water occursCtidal current is at a maximumDthe actual depth of the water equals the charted 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