Isogonic lines are lines on a chart indicating ______.
A.points of equal variation
B.points of zero variation
C.the magnetic latitude
D.magnetic dip
第1题:
Lines on a chart which connect points of equal magnetic variation are called ______.
A.magnetic latitudes
B.magnetic declinations
C.dip
D.isogonic lines
第2题:
No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information,the larger scale charts must be ______.
A.referred to
B.appreciated
C.met with
D.concerned
第3题:
在岸上,缆绳挽牢在系缆桩上。()
第4题:
及时调整缆绳。()
第5题:
points of equal variation
points of zero variation
the magnetic latitude
magnetic dip
第6题:
forming temporary eyes in lines
joining two lines of equal size
keeping line from unlaying or fraying
joining two lines of different size
第7题:
magnetic latitudes
magnetic declinations
dip
isogonic lines
第8题:
decks
cabins
holds
positions
第9题:
A rhumb line appears as a straight line
Distance is measured at the midlatitude of the track line
Meridians appear as curved lines converging toward the nearer pole
Parallels,except the equator,appear as curved lines
第10题:
Magnetic materials of the same polarity repel each other and those of opposite polarity attract
The Earth's magnetic lines of force are parallel to the surface of the Earth
Magnetic meridians connect points of equal magnetic variation
The compass needle(s)will,when properly compensated,lie parallel to the isogonic lines of the Earth
第11题:
Crossing the spring lines
Slacking all forward running lines while keeping all after running lines taut
Doubling up on spring or breast lines
Slacking bow and stern lines
第12题:
On a vessel ,lines are made fast on bollards .
On shore, lines are made fast on bollards .
On board , lines are made fast on bitts.
On board, lines are made fast on bollards .
第13题:
How is the annual rate of change for magnetic variation shown on a pilot chart? ______.
A.Gray lines on the uppermost inset chart
B.Red lines on the main body of the chart
C.In parenthesis on the lines of equal magnetic variation
D.Annual rate of change is not shown
第14题:
A “figure eight”knot is used to ______.
A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave
第15题:
The ()(系泊缆绳)consist of a head line ,two breast lines, two spring lines and a stern line.
第16题:
accurate
correct
corrected
accuracy
第17题:
be a stopper
shorten a line
join lines of equal size
keep a line from passing through a sheave
第18题:
referred to
appreciated
met with
concerned
第19题:
join two lines of different sizes
join two lines of equal sizes
add strength to a weak spot in a line
act as a stopper to transfer a line under strain
第20题:
Gray lines on the uppermost inset chart
Red lines on the main body of the chart
In parenthesis on the lines of equal magnetic variation
Annual rate of change is not shown
第21题:
Mercator projection
polyconic projection
orthographic projection
gnomonic projection
第22题:
a stern line and two quarter lines crossing under the stern
a stern line,2 bow lines,and 2 quarter lines leading aft to the pier
all regular lines leading to the pier in opposition to the anchor
two bow lines and two midship lines leading aft to the pier
第23题:
bought
analyzed
consulted
published