NAV 1
問題一覧
1
During an accident, when you are going to stop vouage data recorder?
after the event
2
The primary purpose of ECDIS on board ship.
contribute to safe navigation
3
Includes electronic navigatioal charts (ENC) and integrates position information from the global positioning system (GPS) and other navigational sencors, such as radar, fathometer and automatic identification systems (AIS)
ECDIS
4
A satellite system comprising constellations of satellites orbiting over the Earth's surface and continuously transmitting signals rhat enable users to determine their position.
GNSS
5
In the hyperbolic system, a set of hyperbole generated by the Master and One Slave sre referred to as a___________
pattern
6
the principal difference between eLoran and traditional Loran-C is the addition of a _______on the transmitted signal
data channel
7
Loran-C receiver in operation first receives pulses from the_______
master station
8
The type of transmission used in Loran-C is________
Single pulse
9
Its full capacity and global coverage was achieve d by 2015 with 23 of 27 satellites operational. The accuracies are comparable to hut a litte lower than GPS. The frequencies are the same L1 and L2 but originally adopted a different access mode, FDMA before shifting to CDMA.
GLONASS
10
When entering shallow waters, it is prudent to switch on the_______
ECHO SOUNDER
11
What coordinates reference systems does GPS use?
WGS 84
12
Which publications should you consult if you need further information on GPS Derived Positions?
Annual Notice to Mariners
13
What should you apply to ECHO SOUNDER reading to the determine depth of water?
Add the draft of the vessel
14
An echo sounder is navigational tool to prevent________
grounding
15
Where are ECHO SOUNDER transducers usually mounted
away from the propellers
16
Magnetic compass will have the greatest directive for at the_____
magnetic equator
17
An ECHO SOUNDER component whose function is to amplify the week electrical oscillation produced in the transduce
receiver
18
Where can you usually find Permanent magnetism?
hard iron
19
Where do Compass needle derives its directive force?
Earth's Magnetic Field
20
Variation is a compass error that you____
cannot correct mechanically
21
Fluid inside the compass is a mixture of :
Distilled water/pure ethyl alcohol
22
Compass heading in a liquid compass is indicated by:
lubbers line
23
The horizontal angle between the direction of an object and another object, or between it and that of
true north.
bearing
24
Bearing measured clockwise from geographic north
true bearing
25
It is used to select range of an echo sounder
Range switch
26
It is used to select the unit of measurement of an echo sounder.
unit selector switch
27
The Variation of the area is 4º 15' west (1985). Annual decrease: 8'. The current year is 2021; what is
variation at this location?
0° 33'E
28
It is used to select the unit of measurement of an echo sounder.
Unit selector switch
29
True bearing of a lighthouse is 030 deg T, variation in the area according to the chart is 6 deg W. What
is its Magnetic bearing?
036 deg M/B
30
Magnetic bearing of a lighthouse is 072 deg, variation in the area according to the chart is 3 deg E.
What is its True bearing?
075 deg T
MARCOM
MARCOM
Vaper Namit · 37問 · 1年前MARCOM
MARCOM
37問 • 1年前NAV 4
NAV 4
Vaper Namit · 25問 · 1年前NAV 4
NAV 4
25問 • 1年前SEAM 7
SEAM 7
Vaper Namit · 25問 · 1年前SEAM 7
SEAM 7
25問 • 1年前SEAM 1
SEAM 1
Vaper Namit · 25問 · 1年前SEAM 1
SEAM 1
25問 • 1年前SEAM 2
SEAM 2
Vaper Namit · 15問 · 1年前SEAM 2
SEAM 2
15問 • 1年前NAV 3
NAV 3
Vaper Namit · 24問 · 1年前NAV 3
NAV 3
24問 • 1年前NAV 5
NAV 5
Vaper Namit · 30問 · 1年前NAV 5
NAV 5
30問 • 1年前NAV 6
NAV 6
Vaper Namit · 25問 · 1年前NAV 6
NAV 6
25問 • 1年前NAV 7
NAV 7
Vaper Namit · 25問 · 1年前NAV 7
NAV 7
25問 • 1年前D-WATCH 1
D-WATCH 1
Vaper Namit · 20問 · 1年前D-WATCH 1
D-WATCH 1
20問 • 1年前問題一覧
1
During an accident, when you are going to stop vouage data recorder?
after the event
2
The primary purpose of ECDIS on board ship.
contribute to safe navigation
3
Includes electronic navigatioal charts (ENC) and integrates position information from the global positioning system (GPS) and other navigational sencors, such as radar, fathometer and automatic identification systems (AIS)
ECDIS
4
A satellite system comprising constellations of satellites orbiting over the Earth's surface and continuously transmitting signals rhat enable users to determine their position.
GNSS
5
In the hyperbolic system, a set of hyperbole generated by the Master and One Slave sre referred to as a___________
pattern
6
the principal difference between eLoran and traditional Loran-C is the addition of a _______on the transmitted signal
data channel
7
Loran-C receiver in operation first receives pulses from the_______
master station
8
The type of transmission used in Loran-C is________
Single pulse
9
Its full capacity and global coverage was achieve d by 2015 with 23 of 27 satellites operational. The accuracies are comparable to hut a litte lower than GPS. The frequencies are the same L1 and L2 but originally adopted a different access mode, FDMA before shifting to CDMA.
GLONASS
10
When entering shallow waters, it is prudent to switch on the_______
ECHO SOUNDER
11
What coordinates reference systems does GPS use?
WGS 84
12
Which publications should you consult if you need further information on GPS Derived Positions?
Annual Notice to Mariners
13
What should you apply to ECHO SOUNDER reading to the determine depth of water?
Add the draft of the vessel
14
An echo sounder is navigational tool to prevent________
grounding
15
Where are ECHO SOUNDER transducers usually mounted
away from the propellers
16
Magnetic compass will have the greatest directive for at the_____
magnetic equator
17
An ECHO SOUNDER component whose function is to amplify the week electrical oscillation produced in the transduce
receiver
18
Where can you usually find Permanent magnetism?
hard iron
19
Where do Compass needle derives its directive force?
Earth's Magnetic Field
20
Variation is a compass error that you____
cannot correct mechanically
21
Fluid inside the compass is a mixture of :
Distilled water/pure ethyl alcohol
22
Compass heading in a liquid compass is indicated by:
lubbers line
23
The horizontal angle between the direction of an object and another object, or between it and that of
true north.
bearing
24
Bearing measured clockwise from geographic north
true bearing
25
It is used to select range of an echo sounder
Range switch
26
It is used to select the unit of measurement of an echo sounder.
unit selector switch
27
The Variation of the area is 4º 15' west (1985). Annual decrease: 8'. The current year is 2021; what is
variation at this location?
0° 33'E
28
It is used to select the unit of measurement of an echo sounder.
Unit selector switch
29
True bearing of a lighthouse is 030 deg T, variation in the area according to the chart is 6 deg W. What
is its Magnetic bearing?
036 deg M/B
30
Magnetic bearing of a lighthouse is 072 deg, variation in the area according to the chart is 3 deg E.
What is its True bearing?
075 deg T