Q4. Describe the effects upon the auxiliary engine of running with the following defects. (a) Incorrect tappet (4)
(b) Carbon encrusted injector nozzle (4)
(c) Fouled turbocharger (4)
(d) Worn out fuel pump cams Indicate how the defect may be detected and the rectifying action required in each case. (4)
Q9. With reference to exhaust valves of an auxiliary diesel engine.
(a) Describe how valves are reconditioned (8)
(b) Explain how valve timing is checked and corrected. (8)
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