Exam Question

Q4. With reference to Crankshafts used in Marine Diesel Engines: (a)Describe the different types of crankshafts and highlight their constructional features, materials used, and typical applications.(8) (b) Compare the advantages and disadvantages of semi-built and solid forged crankshafts with respect to strength, repairability, manufacturing process, and suitability for different engine sizes.(8)