DieselShip's Online Content Library

Q1. Explain the actions that the Engineer Officer of the Watch should take on discovering the lagging on the main engine exhaust, within the funnel spaces, was on fire. (16)

Q2. Describe, with the aid of sketches, the principle of centrifugal separation as used in fuel and lubricating oil purifiers (16)

Q3. (a) List the THREE types of Notice issued by the Maritime and Coastguard Agency (MCA) to disseminate information to ship-owners and seafarers (6)

(b) Define the relevance and importance of each of the Notices stated in (a) (10)

Q4. With reference to a vapour compression refrigeration cycle, describe TWO main symptoms of and remedies for EACH of the following:

(a) undercharge (4)

(b) overcharge (4)

(c) air in the system (4)

(d) moisture in the system (4)

Q5. (a) Explain the importance of regular fire drills (8)

(b) Describe how a drill relating to a fire in a purifier room may be organised. (8)

Q6. (a) List FIVE protective devices fitted to a main electrical switchboard (10)

(b) Explain the meaning of the term Earth Fault and state why it is undesirable in electrical installations. (6)

Q7. (a) Describe how you would overhaul an electric motor that has been flooded with sea water (8)

(b) Explain how to check the insulation resistance of the motor, stating the minimum acceptable value (8)

Q8. With reference to the stability and construction of ships:

(a) Explain how the loading of wing bunker tanks can be used to aid stability (4)

(b) Explain how the loading of double bottom bunker tanks can be used to aid stability (4)

(c) Define EACH of the following stability terms.

(i) Trim (4)

(ii) Heel (4)

Q9. (a) Sketch and describe EACH of the following ship construction features:

(i) Plate floor (6)

(ii) Watertight bulkhead (6)

(b) Explain how watertight bulkhead integrity may be tested (4)