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For what purpose rifle hole is drilled in connecting rod?(a) Cooling(b) Combustion(c) Lubrication(d) DiffusionThe question was asked in an international level competition.This interesting question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

Answer»

Right option is (c) Lubrication

Easy explanation: Rifle HOLE is the long DRILLED in the CONNECTING rod that CONNECTS the bearings of small END and big end, its major usage is for lubrication.



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