Dear colleagues I'm studying up for my 2nd class general engineering exam by the list of questions which I found on this site.
I found almost all answers for these questions but some of them I can't find.
Could you help me to find the answers for these questions:
01 Describe the manufacture of cast steel(Does it mean mild steel?)
Give figures for Tensile strength: % elongation: % reduction in the area and yield point for a propeller shaft.
02 Describe how you would check a tail shaft for wear down. On a 12” diameter shaft, how much wear down would you allow? What might happen with excessive wear down?
03 How would you prepare a ship for dry-docking? What precautions are necessary before, during, and after dry-docking?
04 Describe how a spare blade is fitted to a built up propeller and how the pitch is found.
05 Describe a dry type sprinkler system for a passenger vessel. How is the compressed air maintained in the system and how is the valve reset after tripping?