Тест по Introduction to Navigation (CES v5.0)

Test results

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Right answers:
1

A light is given with the following characteristics: FI W (3+1) 12 s 25 m 12M. Is this:

Your answer is correct:

A white light flashing for 12 seconds and having a range of 12 Nautical Miles?
2

How do you find the Nautical Mile scale on the chart?

Your answer is correct:

By measuring one minute of Latitude.
3

How do you take a running fix?

Your answer is correct:

By taking bearings from a landmark at time intervals and measuring the distance covered in the intervals.
4

How long would 15 minutes of longitude be at a latitude of 60° North?

Your answer is correct:

7,5 NM.
5

How long would one degree of latitude be at a latitude of 30° North?

Your answer is correct:

60 NM.
6

If there were suddenly an immediate danger for both the vessel and its crew, would you send a MAYDAY on:

Your answer is correct:

Channel 16 with 25 Watts output?
7

If you sight the sun’s meridian in the Southern Hemisphere in August, would you then:

Your answer is correct:

Subtract the elevation from 90° and subtract the declination?
8

If you spot a Racon on the radar and try to visually identify its light, would you look for:

Your answer is correct:

It doesn’t matter?
9

If your timepiece is correct to within 1 minute of an hour, what would be your margin of error in estimating your Longitude at Latitude 60° North?

Your answer is correct:

Within 7,5 NM.
10

In the unlikely event that a distress situation allows you to send only a very short message, after MAYDAY would you first say:

Your answer is correct:

Your call sign and position?
11

On a route from Santander, Spain (43 36 N, 005 38 W) to Brest, France (48 15 N, 004 46 W) would a Great Circle navigation bring you:

Your answer is correct:

About the same as the Rhumb Line navigation?
12

The average time between two High Waters is 12 hours and 25 minutes, because this is the time it takes for:

Your answer is correct:

The moon to be at the opposite side of the earth.
13

What can you find from a single aeronautical RDF?

Your answer is correct:

A bearing.
14

What does a Racon help with?

Your answer is correct:

Identifying a seamark.
15

What does the Doppler log measure?

Your answer is correct:

The Speed Over Ground.
16

What is a Gnomonic chart?

Your answer is correct:

A chart, where Great Circle lines can be drawn as a straight line.
17

What is the easiest way to find the latitude? By measuring the elevation of:

Your answer is correct:

The Pole star.
18

What is the Tidal Height?

Your answer is correct:

The water above the Lowest Astronomical Tide.
19

What made finding the longitude by lunar transit inaccurate?

Your answer is correct:

The lack of an accurate almanac.
20

What was the Selective Availability?

Your answer is correct:

A reduction in the system’s accuracy.
21

What was the advantage of the Omega system over its predecessors?

Your answer is correct:

It has worldwide coverage.
22

What would be the colour of an IALA starboard hand lateral buoy, as seen when sailing toward land, in Europe?

Your answer is correct:

Green.
23

Which Beaufort Force is defined as a gale?

Your answer is correct:

Force 8.
24

Which instrument uses a plumb-line?

Your answer is correct:

The quadrant.
25

Who has right of way in a Traffic Separation Scheme?

Your answer is correct:

The vessel coming from the starboard side.
26

Who ran the Decca system?

Your answer is correct:

A British company.
27

Would you take the morning sun’s azimuth in order to:

Correct answer:

Find the true North?

Your Answer:

Find your latitude?