Tag: #ukmmarineengineering

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With reference to LNG diesel engine installations: (a) Describe, with the aid of a sketch, a Gas Valve Unit, explaining its purpose and indicating where it is located in the gas train (8) (b) Explain why ventilation and inert gas system must be installed with the engine fuel gas system (4) (c) state why pilot…

EK General Jul 2021 (Q1)

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Materials used for hull and machinery are subject to stress and strain in service (a) Define EACH of the following (i) THREE types of stress (3) (ii) TWO types of strain (2) (b) Describe the tests that may be carried out on steel to be used for ships side plating (5) Materials Jul 2021 (Q1)

EK General Mar 2021 (Q8)

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With reference to fixed installations for machinery space fires (a) Sketch a CO2 bottled system (5) (b) Explain how the system sketched in part (a) is protected from overpressure (2) (c) Describe the periodic maintenance required (3) Fire Mar 2021 (Q8)

EK Motor Aug 2020 (Q2)

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in EK Motor

(a) Explain how the information gathered from a diesel engine cylinder is analyzed (4) (b) Explain how defects which result in poor cylinder performance are recognised from data gathered during the determination of cylinder power, stating how these defects influence cylinder power development (6) (c) Explain how defects resulting poor cylinder performance which are mentioned…

EK General Mar 2021 (Q7)

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Sketch a hydraulic circuit for a FOUR ram steering gear that allows FIVE different ram combinations to be used, identifying EACH ram and valve combinations (10) Steering & stabilizers Mar 2021 (Q7)

EK Motor Aug 2020 (Q1)

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in EK Motor

With reference to larger, slow speed, crosshead type engine: (a) Explain the nature of the forces acting on the transverse girders (6) (b) Explain the nature and location of defects that can occur in transverse girders (6) (c) Explain the possible consequences of operating the engine with serious defects present in the transverse girders (4)…

EK General Mar 2021 (Q6)

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With reference to heat exchangers, describe how EACH of the following design aspects promote heat transfer (a) material selection (5) (b) flow patterns (3) (c) extended surface areas (2) Heat exchanger Mar 2021 (Q6)

EK General Mar 2021 (Q5)

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With reference to centrifugal separators used for oily bilge duty (a) Explain why centrifugal oily water separators are superior to those rely on gravity (3) (b) Describe, with the aid of a sketch, how flow over the centrifugal separator plates can break down emulsion by encountering flocculation of particles and coalescence of droplets (5) (c) State…

EK General Mar 2021 (Q4)

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(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 Mar 2021 (Q4)

EK General Mar 2021 (Q3)

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