Theory of Machine When two links are connected by a pin joint, their instantaneous center lies At the center of circle On their point of contact At the pin joint At the center of curvature At the center of circle On their point of contact At the pin joint At the center of curvature ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Remain same Decreases None of these Increases Remain same Decreases None of these Increases 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) (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] (r₁ + r₂) [(1 - cosθ)/cosθ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a Motion of a piston in the cylinder of a steam engine Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole All of these Motion of a piston in the cylinder of a steam engine Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole All of these 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 total acceleration of B with respect to A will be equal to Vector sum of radial component and Coriolis component Vector sum of tangential component and Coriolis component Vector sum of radial component and tangential component Vector difference of radial component and tangential component Vector sum of radial component and Coriolis component Vector sum of tangential component and Coriolis component Vector sum of radial component and tangential component Vector difference of radial component and tangential component ANSWER DOWNLOAD EXAMIANS APP
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