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 tidal datum to the ocean bottom, plus the height of 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：
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
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
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
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
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.
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You are anchoring in 16 fathoms of water．On a small to medium size vessel，the（）.AAnchor may be dropped from the hawse pipeBAnchor should be lowered to within 2 fathoms of the bottom before being droppedCScope should always be at least ten times the depth of the waterDScope should always be less than 5 times the depth of the water
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
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.