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.

Mga Tanong 15

Time Limit 9 min

Wika Ingles

Mga Sample na Tanong

Narito ang ilang halimbawang tanong mula sa quiz na ito. I-download ang GYRO app upang kunin ang buong pagsusulit.

Tanong 1

What is the geographic longitude at the prime meridian and at the meridian opposite to it?

A At the prime meridian 0°, at the opposite meridian 180°.

B At the prime meridian 180°, at the opposite meridian 0°.

C At the prime meridian 90°, at the opposite meridian 270°.

D At the prime meridian 90°, at the opposite meridian 180°.

Tanong 2

What is the designation of southern latitudes?

A Negative, with a minus sign (–).

B Positive, with a plus sign (+).

Tanong 3

The vessel is following a leading line, and the Fl.6M lighthouse is abeam on the starboard side. What is the true bearing (Fig.)?

A 102.8°.

B 90.0°.

C 12.8°.

D 282.8°.

Tanong 4

What is the optical range of visibility?

A The maximum distance at which an observed object becomes visible to the observer's eye.

B The distance from the observer's position to the visible horizon, mainly depending on the observer's eye height above sea level in clear weather.

C The distance to the visible horizon considering the effect of terrestrial refraction.

D The range of visibility that depends on atmospheric transparency.

Tanong 5

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.

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