UKM Tuticorin

Tag: #ukmmarineengineering

  • EK Motor Jul 2017 (Q6)

    EK Motor Jul 2017 (Q6)

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    With reference to two stroke, slow speed engine pistons: (a) Explain what is meant by the term thermal stress and how this can cause cracking of crown surface (4) (b) Sketch a cross-section of a piston, labeling the main components and indicating coolant flow (8) (c) State a cause of EACH of the following defects…

  • EK General Oct 2017 (Q5)

    EK General Oct 2017 (Q5)

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    (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 Motor Jul 2017 (Q5)

    EK Motor Jul 2017 (Q5)

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    (a) Describe, with the aid of sketches, the procedure for lifting a cylinder cover from a slow speed crosshead engine, explaining how the lifting gear is attached to the cover (6) (b) State the risks that may be associated with lifting a cylinder cover using the procedure described in part (a) (c) Describe the arrangement…

  • EK General Oct 2017 (Q4)

    EK General Oct 2017 (Q4)

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

  • EK Motor Jul 2017 (Q4)

    EK Motor Jul 2017 (Q4)

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    With reference to a closed loop engine exhaust gas SOx scrubber system: (a) Describe, with the aid of a sketch, such a system (8) (b) State, with reason, the fluid which is used for SOx scrubbing in this system (4) (c) State how the effectiveness of the scrubbing fluid is maintained and how the sludge…

  • EK General Oct 2017 (Q3)

    EK General Oct 2017 (Q3)

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     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)

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    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 Motor Jul 2017 (Q3)

    EK Motor Jul 2017 (Q3)

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    (a) Explain why a diesel engine cylinder is supplied with excess air (4) (b) Explain why fuel droplet size produced during injection has to be within narrow limits in order to enable good cylinder combustion to be achieved (4) (c) Explain how the desired fuel droplet size is produced by fuel injectors (4) (d) State…

  • EK Motor Jul 2017 (Q2)

    EK Motor Jul 2017 (Q2)

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    UKM TUTICORIN
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    With reference to main engine crankcase explosions: (a) Explain the cycle of events leading to a secondary crankcase explosion (6) (b) As Chief Engineer Officer, explain how an engine system should be managed in order to minimize the risk of a crankcase explosion and the effects of a crankcase explosion should one occur. (10) Crankcase…

  • EK General Oct 2017 (Q1)

    EK General Oct 2017 (Q1)

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    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)