Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be Parallel to OA Perpendicular to OA Along AO At 45° to OA Parallel to OA Perpendicular to OA Along AO At 45° to OA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because Bearing centre line coincides with the axis The shafts are rotating at very high speeds The system is unbalanced Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The shafts are rotating at very high speeds The system is unbalanced Resonance is caused due to the heavy mass of the rotor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon Lift of follower Angle of ascent All of these Offset between center lines of cam and follower Lift of follower Angle of ascent All of these Offset between center lines of cam and follower 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 more than co2r cor, 0 0, 0 0, and less than coV 0, and more than co2r cor, 0 0, 0 0, and less than coV ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² (R - r₁) sinθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) cosθ ω² (R - r₁) sinθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable. Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
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