Category: EK GENERAL

  • EK General Dec 2017 (Q2)

    EK General Dec 2017 (Q2)

    (a) Define propeller slip, explaining how it is calculated (2) (b) State, with reasons, FOUR conditions which will affect the propeller slip (8) Propeller, shafting & thrusters Dec 2017 (Q2)

  • EK General Dec 2017 (Q1)

    EK General Dec 2017 (Q1)

    Describe, with the aid of a graph, EACH of the following types of ferrous material failure, stating ONE practical example of EACH (a) Creep (5) (b) Fatigue (5) Materials Dec 2017 (Q1)

  • EK General Oct 2017 (Q8)

    EK General Oct 2017 (Q8)

    Explain the legal, administrative and technical responsibilities of a Chief Engineer Officer (10) Duties & watch-keeping Oct 2017 (Q8)

  • EK General Oct 2017 (Q7)

    EK General Oct 2017 (Q7)

    With reference to deck machinery: (a) Sketch a line diagram showing the layout and components of a hydraulic system with a variable delivery, pressure compensated pump and accumulator, suitable for the operation of deck machinery (5) (b) Explain the advances of using electrically driven machinery over hydraulically driven winches and windlasses (5) Deck machinery Oct…

  • EK General Oct 2017 (Q6)

    EK General Oct 2017 (Q6)

    With reference to bacteria harmful to humans in drinking and washing water: (a) State the constraints placed on the installation and use of systems for shipboard production of fresh water (3) (b) State the maintenance and treatment recommended for fresh water tanks (3) (c) Describe how the entire fresh water system can be made free…

  • EK General Oct 2017 (Q5)

    EK General Oct 2017 (Q5)

    (a) Describe TWO system of priming centrifugal pumps (6) (b) List the advantages of EACH of the priming methods described in part (a) (4) Pumps & system Oct 2017 (Q5)

  • EK General Oct 2017 (Q4)

    EK General Oct 2017 (Q4)

    Describe, with the aid of a sketch, a Membrane Bioreactor type sewage treatment plant (10) Sewage system Oct 2017 (Q4)

  • EK General Oct 2017 (Q3)

    EK General Oct 2017 (Q3)

     With reference to vessels fitted with podded propulsion systems capable of being rotated through 360°: (a) State the advantages claimed over conventional shafting and steering arrangements (6) (b) State with reason, the type of vessels that are most suited to this means of propulsion (4) Propeller, shafting & thrusters Oct 2017 (Q3)

  • EK General Oct 2017 (Q2)

    EK General Oct 2017 (Q2)

    With reference to pneumatically operated control valves (a) State the reason for fitting valve positioners (4) (b) With the aid of a sketch, explain valve hysteresis and how it affects the process (4) (c) Describe how the design and routine maintenance can limit hysteresis (2) Control system Oct 2017 (Q2)

  • EK General Oct 2017 (Q1)

    EK General Oct 2017 (Q1)

    With reference to plate heat exchanger, explain how EACH of the following design aspects promote heat transfer: (a) Material selection (5) (b) Flow pattern (3) (c) Extended surface area (2) Heat exchanger Oct 2017 (Q1)