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
第1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 gap
B.freeboard
C.penetration
D.water depth
第2题:
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
第3题:
The recording fathometer produces a graphic record of the ______.
A.bottom contour only up to depths of 100 fathoms
B.depth underneath the keel against a time base
C.contour of the bottom against a distance base
D.depth of water against a distance base
第4题:
All echo-sounders can measure the ______.
A.Actual depth of water
B.Actual depth of water below keel
C.Average depth from waterline to hard bottom
D.Average depth of water to soft bottom
第5题:
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
第6题:
In determining the scope of anchor line to pay out when anchoring a small boat, one must consider the ______.
A.charted depth of water only
B.depth of water, including tidal differences
C.time and date of anchoring
D.type of anchor being used
第7题:
Wave length
Wave height
Wave breadth
wave depth
第8题:
abyssal plain
continental shelf
borderland
offshore terrace
第9题:
depth of water at a specific time due to tidal effect
difference between the depth of the water and the area's tidal datum
difference between the depth of the water and the high water tidal level
difference between the depth of the water at high tide and the depth of the water at low tide
第10题:
the actual depth
added to or subtracted from the charted depth
multiplied by the charted depth
divided by the charted depth
第11题:
vertical distance from the tidal datum to the ocean bottom plus the height of the tide
vertical distance from the tidal datum to the ocean bottom
average height of water over a specified period of time
average height of all low waters at a place
第12题:
actual depth of water
actual depth of water below keel
average depth from waterline to hard bottom
average depth of water to soft bottom
第13题:
The height of tide is the ______.
A.depth of water at a specific time due to tidal effect
B.difference between the depth of the water and the area's tidal datum
C.difference between the depth of the water and the high water tidal level
D.difference between the depth of the water at high tide and the depth of the water at low tide
第14题:
To predict the actual depth of water using the Tide Tables,the number obtained from the Tide Tables is ______.
A.the actual depth
B.added to or subtracted from the charted depth
C.multiplied by the charted depth
D.divided by the charted depth
第15题:
Air gap is the vertical distance between the bottom of the hull and the ______.
A.Still water level
B.Wave crest
C.Wave crest plus the charted water depth and tidal corrections
D.Wave crest plus the charted water depth and tidal correction and storm surge
第16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.
第17题:
Chart 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
第18题:
从水线到船底是“吃水”。()
第19题:
air gap
freeboard
penetration
water depth
第20题:
still water level
wave crest
wave crest plus the charted water depth and tidal corrections
wave crest plus the charted water depth and tidal correction and storm surge
第21题:
range of tide
height of tide
charted depth
actual water depth
第22题:
“From the centerline to the ship’s bottom” is “draft”.
“From the keel to the ship’s bottom” is “draft”.
The maximum distance from the waterline to the ship’s bottom is “draft”.
“From the centerline to the ship’s main deck” is “draft”.
第23题:
vertical distance from the chart sounding datum to the ocean bottom,plus the height of tide
vertical distance from the chart sounding datum to the ocean bottom
average height of water over a specified period of time
average height of all low waters at a place