(a) A conical pivot has an apex angle of ( 120^{ circ} ) and rests in a bearing surface having outer and inner diameters of ( 80 mathrm{~mm} ) and ( 20 mathrm{~mm} ) respectively. The pivot supports an axial load of ( 25 mathrm{KN} ) while rotating at ( 300 mathrm{rev} / mathrm{min} ). The coefficient of friction is ( 0.04 ). Det solutionspile.com

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(a) A conical pivot has an apex angle of  ( 120^{ circ}  ) and rests in a bearing surface having outer and inner diameters of  ( 80  mathrm{~mm}  ) and  ( 20  mathrm{~mm}  ) respectively. The pivot supports an axial load of  ( 25  mathrm{KN}  ) while rotating at  ( 300  mathrm{rev} /  mathrm{min}  ). The coefficient of friction is  ( 0.04  ). Determine the friction torque and the power consumed in overcoming friction, assuming uniform pressure. [10 marks] solutionspile.com

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