Theory of Machine Kinematic pairs are those which have two elements that Are held together Permit relative motion Have line contact Have surface contact Are held together Permit relative motion Have line contact Have surface contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Leads by 180° Is in phase Lags by 90° Leads by 90° Leads by 180° Is in phase Lags by 90° Leads by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) vBA × AB v²BA v²BA /AB vBA /AB vBA × AB v²BA v²BA /AB vBA /AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair which takes place in ____ is known as incompletely constrained motion. Two directions only More than one direction One direction only None of the listed here Two directions only More than one direction One direction only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) sinθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of speed is the Sum of maximum and minimum speeds Variations of speed above and below the mean resisting torque line Difference of minimum fluctuation of speed and the mean speed Difference of the maximum and minimum speeds Sum of maximum and minimum speeds Variations of speed above and below the mean resisting torque line Difference of minimum fluctuation of speed and the mean speed Difference of the maximum and minimum speeds ANSWER DOWNLOAD EXAMIANS APP
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