Tag: #ekmanagmentwritten

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With reference to the design, construction and materials used in the manufacture of plate type heat exchangers, explain why, in most cases, they are superior to tubular type heat exchangers. (10) Heat exchanger Jul 2019 (Q5)

EK General Jul 2019 (Q4)

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With reference to centrifugal pumps: (a) Explain how the performance may be assessed without the need to dismantle the pump; (3) (b) State the effects of misalignment between the driving motor and the pump; (3) (c) Describe, with the aid of a sketch, how on a new replacement motor, alignment is checked and adjusted. (4)…

EK General Jul 2019 (Q3)

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With reference to a keyless propeller designed for hydraulic (wet) fit and withdrawal: (a) Describe, with the aid of a sketch, how the propeller is fitted to the tail shaft; (6) (b) State TWO advantages compared to a dry fit; (2) (c) Explain how the thrust is transmitted without the use of a key and…

EK General Jul 2019 (Q2)

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With reference to automatic control systems: (a) Explain the term proportional band width (2) (b) State how the proportional band may be adjusted on EACH of the following: (i) Motion balance controllers (2) (ii) Force balance controllers.(2) (c) Explain the consequences if the proportional band is set incorrectly. (4) Control system Jul 2019 (Q2)

EK General Jul 2019 (Q1)

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(a) Describe, with the aid of sketches, how the test pieces for a Class 1 pressure vessel are obtained. (6) (b) List the tests which are carried out on the test pieces described in Q1(a). (4) Materials Jul 2019 (Q1)

EK General Mar 2019 (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 2019 (Q7)

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With reference to ships air conditioning plants: (a) State the temperatures and relative humidities at EACH of the points that are regarded as the boundaries of the comfort zone (4) (b) Explain how the temperatures and relative humidities could be maintained within the comfort zone when the ship is in EACH of the following locations:…

EK General Mar 2019 (Q6)

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(a) Describe, with the aid of a sketch, a constant speed, uni-directional, axial flow pump suitable for hydraulic applications. (6) (b) Explain, with the aid of a sketch, how the axial flow pump can achieve higher pressures than its radial flow counterpart. (4) Pumps & system Mar 2019 (Q6)

EK General Mar 2019 (Q5)

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(a) Describe the operation of a vacuum sewage system. (5) (b) List the advantages of a vacuum sewage system when compared to a conventional flushing system. (4) (c) State why untreated sewage should not be allowed to stagnate. (1) Sewage system Mar 2019 (Q5)

EK General Mar 2019 (Q4)

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