Bridge Navigation & Deck Operations

Navigation Fundamentals Knowledge

This test covers key aspects of navigation, including the fundamentals of orientation, determining directions at sea, working with compasses, courses and bearings, as well as units of length measurement, ship speed, and the principles of their calculation.

Питань 15

Час 9 min

Мова Англійська

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Питання 1

What causes the deviation of a magnetic compass?

A Due to the distortion of the Earth's magnetic field by the ship's magnetic field.

B Due to a change in magnetic latitude.

C Due to the installation of additional compensating magnets.

D Due to a prolonged sea passage.

Питання 2

The dihedral angle of the true course is formed between?

A The northern part of the true meridian plane and the centerline of the vessel.

B The northern part of the magnetic meridian plane and the centerline of the vessel.

C The northern part of the compass meridian plane and the centerline of the vessel.

D The northern part of the gyrocompass meridian plane and the centerline of the vessel.

Питання 3

Is the position of the magnetic poles constant?

A Not constant.

B Constant.

Питання 4

Magnetic declination is the horizontal angle by which…?

A The plane of the magnetic meridian deviates from the plane of the true meridian at a given point.

B The plane of the compass meridian deviates from the plane of the true meridian at a given point.

C The plane of the true meridian deviates from the plane of the magnetic meridian at a given point.

Питання 5

If the vessel was sailing on a course of 180° at a speed of 10 knots, what will be the difference in longitude after 1 hour of navigation?

A 0°00′.

B 0°01′.

C 0°10′.

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