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Q1. Describe systematically, how a vessel which had a black-out on full ahead is restored to sull sea – steaming conditions.

Q1: A. Outline the procedure for the inspection of the rudder in a dry dock.

B. What are the requirement with respect to steeling gear as per SOLAS 74, as amended for the following:

i. Relief valve;

ii. Steering gear control;

iii. Electrical power circuits.

Q6. A. Describe the events leading to a crankcase explosion.

B. State how overheating might be indicated other than by a mist detector.

C. Discuss the procedure to follow in the invent of overheating being indicated.

D. State how severity of a crankcase explosion is limited.

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.

Q5. Give a list of the properties or tests by which distillate and blended fuels may be specified or decisions be made on their fitness for use. Name the properties or constituents that nay be found in a blended fuel having a high viscosity and high carbon content, explain how they may cause problems in engine operation.

Q4. With reference to steering gear hydraulic systems:

A. Explain the factors that could contribute to failure of connecting flange leading to total loss of oil from the system.

B. Describe an arrangement designed to ensure that the problem would not cause steering failure.

Q7: A. Sketch and describe the high pressure cut out for a refrigeration unit; B. The refrigeration compressor has cut out due to operation of the h.p. cut-out.  State the possible causes.

Q8: With reference to cylinder valves, state how the following faults become apparent: Slackness of air inlet and exhaust valve spindles in their guides; Leaking starting air valve; Late opening of air inlet valve; State how each fault is corrected, and suggest how they could be avoided.

Q4. A rudder of a vessel requires extensive welding repairs and as second engineer you are requested to supervise. A. Suggest a suitable type of welding process; B. State, with reasons, FOUR common welding defects; C. State what tests may be carried out before returning the rudder to service.