Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r sinφ r cosφ r tanφ (r/2) cosφ r sinφ r cosφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be Parallel to OA At 45° to OA Perpendicular to OA Along AO Parallel to OA At 45° to OA Perpendicular to OA Along AO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion. Four times Same None of these Two times Four times Same None of these Two times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. None of these Force-closed Friction closed Self-closed None of these Force-closed Friction closed Self-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be 0, and less than coV 0, 0 cor, 0 0, and more than co2r 0, and less than coV 0, 0 cor, 0 0, and more than co2r ANSWER DOWNLOAD EXAMIANS APP
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