Q1. Describe the procedure for preparing a main engine, from cold, for sea service (16)
Q3. With reference to a main engine air starting system:
(a) State FIVE important safety features fitted to the system (10)
(b) State how a leaking air start valve may be detected when the engine is running (2)
(c) Explain the dangers of allowing a leaking air start valve to persist (4)
Q4. (a) Sketch a camshaft timing chain arrangement indicating how the chain tension is adjusted. (12)
(b) State TWO items of ancillary equipment which can be driven via the timing chain. (4)
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