Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω × AB (ω × AB)² ω × (AB)² ω² × AB ω × AB (ω × AB)² ω × (AB)² ω² × AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Leads by 180° Leads by 90° Lags by 90° Is in phase Leads by 180° Leads by 90° Lags by 90° Is in phase ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is (kG² + h²)/h² h²/(kG² + h²) (kG² + h²)/h h/(kG² + h²) (kG² + h²)/h² h²/(kG² + h²) (kG² + h²)/h h/(kG² + h²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Sliding pair Closed pair Point contact pair Open pair Sliding pair Closed pair Point contact pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Mechanism Inversion Structure Kinematic chain Mechanism Inversion Structure Kinematic chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] ANSWER DOWNLOAD EXAMIANS APP