Bridge Navigation & Deck Operations

Radar & ARPA Competence Test

This test covers the principles and practical use of marine radar and ARPA systems for safe navigation and collision avoidance. It includes questions on radar theory, equipment operation, echo interpretation, CPA/TCPA assessment, radar plotting, and compliance with COLREG. Ideal for navigational officers preparing for operational or management certification.

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

If the trace is not correctly centred, error may occur when …

A measuring bearings.

B measuring ranges.

C using the tuning control.

D using the gain control.

Tanong 2

There is a risk of collision with another vessel if …

A her bearing is steady and the range is decreasing.

B her bearing is changing and the range is increasing.

C her bearing is steady and the range is increasing.

D her bearing is changing and the range is decreasing.

Tanong 3

Half the vertical distance between the crest and the trough of a radio wave is called …..

A the amplitude.

B the frequency.

C the wavelength.

D a cycle.

Tanong 4

When using the radar for coastal position fixing the main concern is to ...

A obtain the most accurate fix.

B allow for beamwidth distortion.

C avoid radar interference.

D avoid radar shadow effect.

Tanong 5

Side echoes are caused by reflections from ….

A the side lobes of the radar beam.

B the side of your own vessel.

C the surface of the sea.

D the obstruction in the path of the scanner.

Kunin ang Quiz na Ito. I-download ang GYRO app upang kunin ang quiz na ito at subaybayan ang iyong progreso.