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Q6. With reference to oil monitoring of bilge and tanker ballast discharges: Describe, the maintenance schedules and procedures for an oil monitoring system; State the inputs that are recorded; Explain the difficulties encountered with the efficient operation of the oil monitoring system.

Q2. A). Describe the overhaul of a boiler safety valve and explain using sketches where necessary those parts which require particularly close attention;

B). Describe the setting of boiler safety valve to comply with classification society requirements.

Q6. You have opened up a main sea-water circulating pump (centrifugal type) onboard your vessel for examination and overhaul, describe the checks you would make, and state your conclusion regarding any faults found.

Q6. With regard to keeping the gas side of boilers in good condition discusses EACH of the following:

A. the mechanism of combustion, stating the factors which are important to good combustion;

B. Oil fuel treatments;

C. Soot removal equipment;

Q3. A. Describe the hull examination that should be carried out on a ship in dry dock making special reference to essential maintenance and repairs and survey of ship side fitting.

Q3. What factors would you consider in deciding whether to open up a cylinder unit for overhaul? After opening the unit and preparing for assembly, how would you decide whether to renew or re-use piston rings?

Q9. During the past four months since you joined the ship as Second engineer a number of main engine exhaust valve have suffered from cracking and corrosion at the seating faces; Write a report to the Superintendent Engineer covering the following points:

A. An explanation detailing how the problem becomes evident;

B. Your action upon recognizing the extent and seriousness of the problem;

C. Your reasoned view regarding the possible causes of the problem;

D. Your recommendations to avoid future incidents.

Q3: Your ship after having been accidentally grounded was taken to a dry-dock for inspection and necessary repairs. What defects would you look for in the following parts, that may have sustained damage due to grounding and suggest methods of repairs and tests that may be required to be carried out to the defects noticed:

A. Propeller and tail end shaft.

B. Main engine crankshaft.

Q9 It is detected that the refrigerating compressor on board your ship has not been properly aligned with the motor, after a major overhaul ashore Enumerate how the misalignment is detected and remedied.