In the formula Pcr=\(\frac{\sigma_c A}{1+a(\frac{L}{K_{xx}})}\) what is Kxx?(a) Radius of cylinder(b) Constant(c) Radius of gyration(d) The radius of the big endI have been asked this question in quiz.I'm obligated to ask this question of IC Engine in chapter Design of IC Engine Components of Automotive Engine Design

In the formula Pcr=\(\frac{\sigma_c A}{1+a(\frac{L}{K_{xx}})}\) what i

1.	In the formula Pcr=\(\frac{\sigma_c A}{1+a(\frac{L}{K_{xx}})}\) what is Kxx?(a) Radius of cylinder(b) Constant(c) Radius of gyration(d) The radius of the big endI have been asked this question in quiz.I'm obligated to ask this question of IC Engine in chapter Design of IC Engine Components of Automotive Engine Design
Answer» Right answer is (c) RADIUS of GYRATION For explanation: Here PC is the FORCE on connecting rod, A is the cross-sectional area, L is the length of connecting rod, a is end fixity coefficient, σc is stress and Kxx is the radius of gyration.

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