Q1. Outline a safe procedure for final daily watch-keeping checks of an engine room which is designated UMS. (16)
Q2. State FOUR advantages and FOUR disadvantages of plate type heat exchangers. (16)
Q3. (a) Describe the procedure for operating the oily water separator. (12)
(b) State TWO ways that the separator could be made to operate more efficiently. (4)
Q4. (a) Describe the actions that the EOOW should take on finding that the temperature of the thrust block is rising above normal acceptable range. (6)
(b) Explain why the thrust block temperature is critical. (10)
Q5. (a) State the meaning of the term enclosed space (4)
(b) Explain the procedure for preparation for entry into a cofferdam prior to an inspection (12)
Q6. (a) State FOUR different causes of earth faults. (8)
(b) For EACH cause stated in (a), explain how the fault is rectified. (8)
Q7. With reference to the testing and maintenance of large electric motors:
(a) State the minimum satisfactory value of insulation resistance (2)
(b) State the instrument AND voltage to be used for the insulation resistance test (4)
(c) State the regular maintenance that is necessary for good electric motor operation (10)
Q8. (a) Describe, with the aid of a sketch, a freeing-port. (8)
(b) Explain how freeing-ports assist in maintaining the stability of a ship. (8)
Q9. Explain the meaning and purpose of EACH of the following ship terms:
(a) Keеl. (4)
(b) Beam. (structural member) (4)
(c) Girder. (4)
(d) Frame. (4)
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