Author: UKM TUTICORIN

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State a typical shipboard application for EACH of the following metals, explaining how their properties make them particularly suitable for the stated application: (a) Stainless steel (2) (b) Grey cast iron (2) (c) Titanium (2) (d) Manganese bronze (2) (e) Aluminium (2) Materials Jul 2023 (Q1)

EK General Mar 2023 (Q8)

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With reference to fixed CO2 smothering systems for ships machinery spaces: (a) State the safety procedure that the Chief Engineer Officer should adopt with respect to maintenance being carried out on the system by contractors whilst the vessel is in port. (3) (b) State the procedure prior to the safe release of CO2 into the…

EK General Mar 2023 (Q7)

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(a) In deck machinery hydraulic systems, state the functions of the hydraulic oil reservoir, making reference to the volume of the hydraulic fluid in the system. (6) (b) State FOUR reasons for machinery tripping out on high oil temperature during operation (4) Deck machinery Mar 2023 (Q7)

EK General Mar 2023 (Q6)

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(a) Sketch a single stage flash evaporator, labeling the component parts and showing the directions of flow. (5) (b) Explain the term flash evaporation (2) (c) State the regulations governing the operation of an evaporator if the distilled water is intended for human consumption (3) Cooling system & FWG Mar 2023 (Q6)

EK General Mar 2023 (Q5)

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With reference to centrifugal separators used for oily bilge duty (a) Explain why centrifugal oily water separators are superior to those rely on gravity (3) (b) Describe, with the aid of a sketch, how flow over the centrifugal separator plates can break down emulsion by encountering flocculation of particles and coalescence of droplets (5) (c) State…

EK General Mar 2023 (Q4)

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(a) Describe a vacuum sewage system. (5) (b) List the advantages of the system described in part (a) (4) (c) State why untreated sewage should not be allowed to stagnate. (1) Sewage system Mar 2023 (Q4)

EK General Mar 2023 (Q3)

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With reference to stern tube bearings: (a) Explain why white metal lined bearings are susceptible to failure; (5) (b) Outline the merits of non metallic bearings. (5) Propeller, shafting & thrusters Mar 2023 (Q3)

EK General Mar 2023 (Q2)

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(a) Describe, with the aid of a sketch, a temperature measuring instrument that uses the principle of operation of a change in resistance with the application of heat. (6) (b) Describe how the instrument sketched in part (a) is tested and calibrated. (4) Control system Mar 2023 (Q2)

EK General Mar 2023 (Q1)

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(a) Explain EACH of the following metallurgical failure mechanisms: (i) Fretting (3) (ii) Fretting corrosion (3) (b) State TWO shipboard examples where fretting may occur (2) (c) State TWO shipboard examples where fretting corrosion may occur (2) Materials Mar 2023 (Q1)

EK Motor Oct 2021 (Q9)

Sep 26, 2025

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