网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
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
参考答案
更多 “ 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 ” 相关考题
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
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
考题
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
考题
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
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
考题
A true bearing of a charted object,when plotted on a chart,will establish a ______.A.fixB.line of positionC.relative bearingD.range
考题
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
考题
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
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
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
考题
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
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
考题
单选题A true bearing of a charted object,when plotted on a chart,will establish a ().A
fixB
line of positionC
relative bearingD
range
考题
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
考题
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
考题
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
考题
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.A
withB
byC
onD
in
考题
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When a feature remains in its existing charted position but has a change of characteristic,()command is used on a chart.A
MOVEB
DELETEC
AMENDD
SUBSTITUTE
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The minimum length of a boat painter for a lifeboat in ocean service is().A
60 fathomsB
the distance from the main deck to the light waterlineC
twice the distance from the main deck to the light waterline or 50 feet whichever is greaterD
two times the distance from the boat deck to the light waterline or 50 feet whichever is greater
考题
单选题Stand of the tide is that time when().A
the vertical rise or fall of the tide has stoppedB
slack water occursC
tidal current is at a maximumD
the actual depth of the water equals the charted 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
热门标签
最新试卷