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:
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 circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart
第3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4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:
fix
line of position
relative bearing
range
第7题:
air gap
freeboard
penetration
water depth
第8题:
with
by
on
in
第9题:
MOVE
DELETE
AMEND
SUBSTITUTE
第10题:
60 fathoms
the distance from the main deck to the light waterline
twice the distance from the main deck to the light waterline or 50 feet whichever is greater
two times the distance from the boat deck to the light waterline or 50 feet whichever is greater
第11题:
the actual depth
added to or subtracted from the charted depth
multiplied by the charted depth
divided by the charted depth
第12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
第13题:
A true bearing of a charted object,when plotted on a chart,will establish a ______.
A.fix
B.line of position
C.relative bearing
D.range
第14题:
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15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:
Wave length
Wave height
Wave breadth
wave depth
第19题:
abyssal plain
continental shelf
borderland
offshore terrace
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:
the vertical rise or fall of the tide has stopped
slack water occurs
tidal current is at a maximum
the actual depth of the water equals the charted depth
第23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