Category: EK GENERAL

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(a) Describe, with the aid of a sketch, a temperature measuring instrument that uses the principle of operation of a change in resistance with the application of heat (6) (b) Describe how the instrument sketched in part (a) is tested and calibrated (4) Instrumentation & control Mar 2024 (Q2)

EK General Mar 2024 (Q1)

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With reference to steels used in shipbuilding and marine engineering: (a) Describe EACH of the following types of failure: (i) Brittle failure (2) (i) Ductile failure (2) (b) Explain the term ductile to brittle transition stating the factor that determines ductile to brittle transition (2) (c) Describe a test to determine the value of brittle…

EK General Dec 2023 (Q8)

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As Chief Engineer Officer, prepare standing orders for working with gas cutting and gas welding equipment, including the storage of spare bottles. (10) Dec 2023 (Q8)

EK General Dec 2023 (Q7)

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In a vapor compression refrigeration system, state how EACH of the following faults are indicated and how they are remedied: (a) Air in the refrigerant (2) (b) Oil in the refrigerant (2) (c) Moisture in the refrigerant (2) (d) Undercharge of the refrigerant (2) (е) Overcharge of the refrigerant (2) Reefer & A/C Dec 2023…

EK General Dec 2023 (Q6)

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(a) State the regulations pertaining to the main and auxiliary steering gear with reference to EACH of the following: (i) Rudder angle and time of operation (2) (ii) Electrical supply (3) (b) With reference to a hydraulic steering gear, explain EACH of the following: (i) The factors that may contribute to the failure of a…

EK General Dec 2023 (Q5)

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With reference to centrifugal pumps: (a) Describe how EACH of the following improves pump performance: (i) Raising the speed of rotation (2) (ii) Multi-staging (2) (b) Explain the advantages of using centrifugal pumps instead of positive displacement pumps for lubricating oil circulating duties (6) Pumps & system Dec 2023 (Q5)

EK General Dec 2023 (Q4)

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With reference to plate type heat exchangers: (a) Sketch a cross sectional view showing the plate design pattern and the directions of hot and cold fluid flow (4) (b) State TWO reasons for the plate design patterns (2) (c) State, with reasons, FOUR advantages of a plate cooler compared to shell and tube type. (4)…

EK General Dec 2023 (Q3)

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With reference to main propulsion shaft systems: (a) Describe a method of hydraulic jacking to check bearing loads (5) (b) Sketch the Bearing Load versus Shaft Lift Dial Gauge Reading graph obtained by the method described in part (a), annotating the graph and how the characteristic of bearing load is obtained. (5) Propeller, shafting &…

EK General Dec 2023 (Q2)

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Discuss the advantages and disadvantages of electrical remote monitoring and control systems compared to pneumatic systems. (10) Instrumentation & control Dec 2023 (Q2)

EK General Dec 2023 (Q1)

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