MEK General MEO Class 2 Written Questions (Jan 2023)

EXAMINATION OF MARINE ENGINEER OFFICER

MARINE ENGINEERING KNOWLEDGE (GENERAL)

M.E.O. CLASS II

Time: 3 HOURS Total Marks - 100


Q1. With respect to the properties of fuel oil, explain the significance of the following terms.

(a) Calculated Carbon Aromaticity Inbox (CCAI).

(b) Open flash point and Closed flash point.

(c) The importance of Sodium to Vanadium Ratio.

(d) Octane Number.

Q2. (a) Materials used for hull and machinery are subject to stress and strain in service.

 Define EACH of the following:

(i) types of stress; (ii) types of strain

(b) Describe the tests that may be carried out on steel to be used for ships side plating.

Q3. Reverse osmosis is the modern alternative for shipboard production of drinking water.

(a) Describe using simple diagrams if necessary, the principle of reverse osmosis.

(b) (i) Sketch a line diagram showing a single pass system for producing fresh water from sea water

(ii) Describe such a system.

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