Category: EK GENERAL
-

EK General Oct 2018 (Q8)
With reference to freshwater HI-FOG fire fighting systems: (a) Sketch such a system; (6) (b) State how the system in part (a) is activated; (2) (c) State, with a reason, a suitable location for the above system. (2) Fire Oct 2018 (Q8)
-

EK General Oct 2018 (Q7)
As Chief Engineer Officer, prepare standing orders for working with gas cutting and gas welding equipment, including the storage of spare bottles. (10) Duties & watch-keeping Oct 2018 (Q7)
-

EK General Oct 2018 (Q6)
With reference to the hydraulic steering gear, explain EACH of the following: (a) The factors that may contribute to the failure of a hydraulic pipe coupling; (2) (b) Why it is of the utmost importance that in the event of a hydraulic system failure that the rudder is locked and isolation of the affected area…
-

EK General Oct 2018 (Q5)
With reference to centrifugal pumps: (a) Explain the operating principle of a centrifugal pump and why it is unnecessary to fit a relief valve to it; (4) (b) State two impeller types and which type of application they would be best suited for; (2) (c) Explain why cavitation occurs and how to possibly reduce by…
-

EK General Oct 2018 (Q4)
Describe EACH of the following heat exchanger types, stating a suitable application for EACH type: (a) Parallel flow; (3) (b) Contra flow; (3) (c) Mixed flow. (4) Heat exchanger Oct 2018 (Q4)
-

EK General Oct 2018 (Q3)
With reference to propeller shaft alignment: (a) State the objectives of a satisfactory alignment; (3) (b) State the conditions that must be met to achieve satisfactory alignment; (3) (c) Explain what is meant by fair curve alignment. (4) Propeller, shafting & thrusters Oct 2018 (Q3)
-

EK General Oct 2018 (Q2)
(a) Describe, with the aid of a sketch, an explosimeter for the detection of combustible gas. (6) (b) Describe how the instrument sketched in part (a) is tested and calibrated. (4) Control system Oct 2018 (Q2)
-

EK General Oct 2018 (Q1)
With reference to steels used in shipbuilding and marine engineering: (a) Describe EACH of the following types of failure; (i) Brittle failure; (2) (ii) 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 Jul 2018 (Q8)
As Chief Engineer Officer, write a report to the Superintendent Engineer naming the items and describing the examinations that were carried out during a safety equipment survey with regard to fire safety. (10) Fire Jul 2018 (Q8)
-

EK General Jul 2018 (Q7)
With reference to air receivers: (a) explain why air receivers are prone to corrosion; (3) (b) state how corrosion can be prevented; (3) (c) if significant corrosion is detected during a regular inspection explain how the air receiver may still be safely used in service until a permanent repair can be affected. (4) Materials Jul…
