SailR
CHIEF MATE · QUESTION BANK
Engineering Knowledge
455 questions across 37 papers, 2017 to 2026.
Engineering Knowledge, known to candidates as EK, appears in 37 Chief Mate papers between 2017 and 2026, and the 455 questions collected here centre on ship systems, maintenance procedures and steering gear. 72% of them have been asked more than once, so the fastest preparation is the questions that keep returning rather than the syllabus end to end.
455
Questions
37
Papers
72%
Repeat
13×
Most asked
What comes up most
- Ship systems86%
- Maintenance procedures84%
- Steering gear16%
- Main engine16%
- Hydraulic system8%
- Sewage treatment11%
- Refrigeration11%
Share of the 37 papers each topic appears in. No single topic runs away with this paper — the seven commonest each turn up in 8–86% of sittings, so preparation has to stay broad.
Most repeated Chief Mate EK questions
Asked 13×
Q.1 Propeller has pitch of 5.5mtr. When running at 80 RPM, ship speed is 13.20 knots, speed of advance 11.0 knots, propeller efficiency of 70% and delivered power 300kw. Calculate: a) Real Slip. b) Wake fraction c) Thrust power d) Thrust
Asked 5×
a) Describe the advantages and disadvantages of a hydraulic system used on board. b) Explain the effect of air, water, dirt and insufficient cooling on the hydraulic system operation.
Asked 5×
A ship's speed is increased by 20% above normal for 8 hrs, reduced by 10% below normal for 10 hours and then is maintained at the normal value for the remainder of the day. Calculate the percentage variation in fuel consumption for that day, as compared to the daily consumption at normal speed.
Chief Mate EK past papers
Latest: August 2026
Chief Mate EK — August 2026
20 questions
Chief Mate EK — May 2026
20 questions
Chief Mate EK — February 2026
20 questions
Chief Mate EK — November 2025
20 questions
Chief Mate EK — August 2025
20 questions
Chief Mate EK — May 2025
20 questions
Chief Mate EK — February 2025
20 questions
Chief Mate EK — November 2024
5 questions
Chief Mate EK — August 2024
10 questions
Chief Mate EK — May 2024
20 questions
Chief Mate EK — February 2024
20 questions
Chief Mate EK — November 2023
10 questions
Chief Mate EK — August 2023
10 questions
Chief Mate EK — May 2023
10 questions
Chief Mate EK — February 2023
10 questions
Chief Mate EK — November 2022
10 questions
Chief Mate EK — October 2022
10 questions
Chief Mate EK — September 2022
10 questions
Chief Mate EK — July 2022
10 questions
Chief Mate EK — May 2022
10 questions
Chief Mate EK — March 2022
10 questions
Chief Mate EK — January 2022
10 questions
Chief Mate EK — November 2021
10 questions
Chief Mate EK — September 2021
10 questions
Chief Mate EK — August 2021
10 questions
Chief Mate EK — April 2021
10 questions
Chief Mate EK — January 2021
10 questions
Chief Mate EK — November 2020
10 questions
Chief Mate EK — February 2020
10 questions
Chief Mate EK — November 2019
10 questions
Chief Mate EK — August 2019
10 questions
Chief Mate EK — May 2019
10 questions
Chief Mate EK — February 2019
10 questions
Chief Mate EK — November 2018
10 questions
Chief Mate EK — August 2018
10 questions
Chief Mate EK — May 2018
10 questions
Chief Mate EK — May 2017
10 questions
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