Tag: #ekmanagmentwritten

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With reference to oil filled stern tubes: Describe, with the aid of a sketch, the principle of operation of a combination seal, which incorporates a wrapped bellows radial face seal and a lip seal. (10) Propeller, shafting & thrusters Mar 2024 (Q3)

EK Motor Dec 2021 (Q2)

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in EK Motor

(a) Describe with the aid of sketches, the lubrication system for a turbocharger (6) (b) Describe, with the aid of sketches, the replacement of a turbocharger bearing, stating the checks which must be made before the turbocharger is returned to service (10) Dec 2021 (Q2)

EK General Mar 2024 (Q2)

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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 Motor Dec 2021 (Q1)

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in EK Motor

As chief engineer officer, write a report to the engineering superintendent regarding the failure of a main engine cylinder liner due to cracking which resulted in water leakage from the cooling space into the cylinder. The report must explain how the defect was detected, the immediate action taken, the rectifying action taken to ensure that…

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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