Theory of Machine The locus of a point on a thread unwound from a cylinder will be A circle Cycloidal A straight line Involute A circle Cycloidal A straight line Involute ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In its simplest form, a cam mechanism consists of following number of links 2 4 3 1 2 4 3 1 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) [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n - 1 n(n - 1)/2 n n/2 n - 1 n(n - 1)/2 n n/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be isochronous when the controlling force Remain constant for all radii of rotation Increases as the radius of rotation decreases Decreases as the radius of rotation increases Increases as the radius of rotation increases Remain constant for all radii of rotation Increases as the radius of rotation decreases Decreases as the radius of rotation increases Increases as the radius of rotation increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be Perpendicular to OA At 45° to OA Parallel to OA Along AO Perpendicular to OA At 45° to OA Parallel to OA Along AO ANSWER DOWNLOAD EXAMIANS APP