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Q9. Describe how an auxiliary boiler would be blown down and opened up for inspection. State the Precautions which should be taken during the inspection and when boxing up the boiler for service. Which parts require particularly close attention when opened up and describe the procedure for the setting of safety valves.

Q8. Explain in detail how you would isolate one of sprinkler system for routine maintenance. Describe all tests and inspections you would make and how you would return the system to service.

Q5. With reference to air receivers and bottles explain with reasons: A. Why regular systematic internal inspection is advisable? B. Which internal areas of large receivers should receive particularly close examination? C. How bottles are inspected internally and what parts should be closely examined? D. How the condition of a bottle or receiver that cannot be inspected internally is checked?

Q9. A. With reference to the insulation testing of marine electrical plant: - I. State the reasons for insulation testing; II. State the precautions to be observed when testing intrinsically safe equipment. B. Describe the overhaul of d.c. motor which has been subjected to excessively damp condition or flooding with seawater.

Q3. You have recently been appointed second engineer of a vessel and have experienced problems associated with the operation of the oily water separator.  Make a report to the company explaining the nature of the problem and suggesting possible remedies.  Assume a slop tank is available for retaining bilges until the vessel reaches port.

Q7. With regard to the carriage of crude oil and its associated products: A. State the dangers involved; B. Sketch and describe the peration of an explosive meter suitable for testing pump rooms or tanks.

Q8. With respect to hydraulic Ram steering gears;

A. What emergency locking device can be used in order to speedily bring the steering gear to rest? State one reason the best angular position to lock the steering gear.

B. Use a simple sketch to show where the “Jumping” (top) and wear down (bottom) rudder carrier ring clearances can be measured. Indicate what clearances you would expect with a new steering gear;

C. State the consequences of the wear down clearances being reduced to less than Zero.

Q6. Sketch and describe a pneumatically operated control valve Explain how the valve is operated if the controller fails. Discuss the routine maintenance required for these valves.

Q4. Accidents regularly occur due to premature or accidental release of CO2 into machinery spaces. With reference to this, enumerate the procedure or arrangement that you as second engineer would adopt with respect of the following

A.  Contractors working on CO2 system;

B. Understanding between bridge and engine room in the event of a machinery space fire;

C. Familiarizing staff with the system;

D. Checks and tests are carried out before putting system in operation?