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In the formula Mt=Pt×r, what is Pt?(a) Vertical component(b) Tangential component(c) Horizontal component(d) Normal componentI have been asked this question in an internship interview.Query is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

Answer»

Correct answer is (b) TANGENTIAL component

To explain I WOULD say: In the formulaMt=Pt×R, Pt is the tangential component, Mt is the torsional moment and r is the CRANK RADIUS. To avoida torsional moment, torsional rigidity should be good.



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