Q1. Describe briefly the methods of carrying out a bend test and an impact test. Illustrate the general form of the test pieces used and state how the final results are given for comparison of different materials. Of what practical use are the figures obtained?
Q2. State the regular routines carried out on the following system: A. CO2 Fixed fire-fighting system, B. Smoke detection system;
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.
Q7. Briefly describe your action plan on following exigencies:
A. Leaky economizer tube, while at sea;
B. Leaky intercooler of main air compressor, while manoeuvring.
Q5. The tailshaft of your vessel is suspected to have been damaged in a recent grounding. Explain with sketches the type of Non-Destructive tests that you would carry out with reference to the specific parts of the shaft, to ascertain the damage.
Q6. The pipe work of the sea water circulation system for passenger ship has to be completely renewed. The company contracted for the work has no previous experience of marine installation. You as the Chief engineer have been requested to write the specification for manufacture and installation of the steel pipe.
A. Outline your proposal for the need for various types of piping for different systems.
B. State the necessary requirements for approval.
Q7. A rudder of a vessel requires extensive welding repairs and as chief engineer officer you are requested to supervise the repairs.
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.
Q8. Explain the procedures for dismantling a centrifugal purifier for survey:
A. Explain the key areas which would merit the surveyor's attention.
B. Explain the replacing of a set of thrust bearings for vertical shaft by correct identification.
Q9. With reference to the Crosshead of Large two-stroke engines:
A. Explain how crosshead and guide shoe clearances are checked, in large 2 stroke engines
B. Explain how crosshead alignment is checked and adjusted.
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