Engine Department Competence

Basic Knowledge for Marine Engine

A comprehensive test of essential marine engineering knowledge. Ideal for engine cadets, motormen, and junior engineers. Covers diesel engines, auxiliaries, pumps, MARPOL, safety systems, automation, and watchkeeping.

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

What is the purpose of fire dampers in ventilation?

A To isolate airflow and prevent fire spread.

B To reduce engine load.

C To cool engine room.

D To ventilate galley.

Question 2

Which is a correct method for checking piston ring clearance?

A Using feeler gauge in ring groove.

B Using micrometer.

C By eyes.

D With caliper.

Question 3

A freshwater tank has a pressure transmitter 0–0.5 bar / 4–20 mA, installed 30 cm from the bottom of a 5 m tank. What is the output when the tank is empty?

A 4 mA.

B 5.2 mA.

C 2.8 mA.

D 2 mA.

Question 4

What is the purpose of a ballast pump?

A To transfer ballast water for ship stability.

B To pump bilge.

C To cool the generator.

D To fill the boiler.

Question 5

What tool is used to measure insulation resistance?

A Megger.

B Caliper.

C Dial indicator.

D Multimeter.

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