Category: EK GENERAL

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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 General Jul 2017 (Q6)

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With reference to a domestic refrigeration plant, state TWO causes of EACH of the following conditions, stating how EACH cause may be rectified (a) Excessive pressure (2) (b) Low pressure at evaporator suction (2) (c) Compressor cycling (2) (d) Compressor running for long periods but not lowering the temperature in the cold rooms (2) (e)…

EK General Jul 2017 (Q5)

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Describe, with the aid of a block diagram, a compensated control system for an active fin stabilization unit (10) Steering & stabilizers Jul 2017 (Q5)

EK General Jul 2017 (Q4)

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With reference to centrifugal pumps and pumping systems: (a) Explain, with the aid of a diagram, the distinction between Net Positive Suction Head available (NPSHa) and Net Positive Suction Head required (NPSHr) (8) (b) Explain how the NPSHa may be increased by design (2) Pumps & system Jul 2017 (Q4)

EK General Jul 2017 (Q3)

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(a) Sketch an engine room fresh water central cooling system, indicating the water temperature at salient points on the system (6) (b) State, with reason, FOUR advantages of the system sketched in part (a) compared to one which is totally sea water cooled (4) Cooling system & FWG Jul 2017 (Q3)

EK General Jul 2017 (Q2)

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Discuss the advantages and disadvantages of electrical remote monitoring and control systems compared to pneumatic system (10) Control system Jul 2017 (Q2)

EK General Jul 2017 (Q1)

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(a) Discuss the merits of condition monitoring system compared to other maintenance regimes (5) (b) Describe how the data is gathered, stored and evaluated on a computer based vibration analysis system (5) Duties & watch-keeping Jul 2017 (Q1)

EK General Mar 2017 (Q8)

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(a) State THREE modes of heat transfer. (1) (b) Describe how the design requirements of EACH of the following are met, detailing the materials used to promote or retard heat transfer (i) Plate cooler in central cooling system; (3) (ii) Meat room in domestic provisions space; (3) (iii) Auxiliary steam system pipelines. (3) Heat exchanger…

EK General Mar 2017 (Q7)

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