Q1. (a) Explain why an engine may fail to start on air when the start air receiver is fully charged and the air receiver outlet to the engine is open.(10)
b) Describe how problems with air start systems may be avoided. (6)
Q3. With reference to engine operation:
a) State, with reasons, the symptoms which would indicate a cylinder head had cracked between the combustion chamber and the water space. (4)
b) describe the actions that should be taken if the engine with the symptoms in part (a) cannot be immediately stopped. (6)
c) write a report to the Superintendent outlining the probable cause and actions to prevent further occurrence.
Q4. (a) List TWO automatic main engine slowdown parameters, stating why EACH is applied to an engine. (4)
(b) List Two automatic main engine shutdown parameters, stating why EACH is applied to an engine. (4)
(c) Explain how EACH of the parameters listed in part (a) and part (b) are tested for the correct operation. (8)
Q1. As Chief Engineer Officer outline a procedure for the changing of a cylinder liner in a large crosshead diesel engine after the removal of the cylinder cover to the replacement of the liner. (16)
Q7. (a) Explain how the build-up of residue in the scavenge space of a large slow speed two stroke engine is minimised by design, operation, and maintenance. (10)
(b) Explain the possible damage which could be caused by a scavenge fire. (6)
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