Author: UKM TUTICORIN

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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)

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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)

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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)

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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)

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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)

EK Motor Jul 2017 (Q1)

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As Chief Engineer Officer, write a report to the engineering superintendent regarding failure of a four-stroke main engine, to complete a slow turning procedure and the discovery of water around a cylinder head gasket after the failed slow turning attempt. The report must outline the possible cause of the problem and the steps taken to…

EK General Jul 2017 (Q8)

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The company, with which you are employed, requests that all Chief Engineer Officers prepare standing orders regarding the prevention and detection of fires in the machinery spaces Compile such a list of recommendation to be submitted to central office (10) Fire Jul 2017 (Q8)

EK General Jul 2017 (Q7)

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With reference to medium speed auxiliary diesel engines: (a) Explain why twin air inlet and exhaust valves are often fitted to each cylinder head (6) (b) Explain why, in some cases, valve rotation is employed (4) Auxiliary engine Jul 2017 (Q7)

EK Motor Mar 2017 (Q9)

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A slow speed diesel engine crankcase lubricating oil analysis report indicates a substantial presence of fresh water, metal particles and a reduction of BOTH alkalinity and antioxidant reserve Explain the possible cause of EACH of these changes, and how they may be found (16) Lubricating oil & system Mar 2017 (Q9)

EK General Jul 2017 (Q6)

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