Bridge Navigation & Deck Operations

Marine Meteorology – General Knowledge

Test your marine meteorology knowledge and discover your weak points. This quiz covers weather systems, clouds, fronts, wind, waves, and forecasting to help you make safer navigational decisions at sea. Suitable for deck officers, masters, and cadets.

Questions 18

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

Rime is formed when supercooled water droplets in fog freeze upon contact with very cold objects such as a ship’s mast or superstructure.

A True.

B False.

Question 2

What is a hygrometer used to measure?

A Atmospheric humidity.

B Atmospheric pressure.

C Wind speed.

D Air temperature.

Question 3

The dew point is best described as?

A The temperature at which air becomes saturated when cooled.

B The maximum temperature reached during the day.

C The temperature of the sea surface.

D The temperature at the centre of a low-pressure system.

Question 4

What are isobars?

A Lines joining places of equal atmospheric pressure.

B Lines joining places of equal temperature.

C Lines showing wind direction.

D Lines joining places of equal humidity.

Question 5

Which instrument measures wind speed?

A Anemometer.

B Barometer.

C Psychrometer

D Rain gauge

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