Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at The point of contact The center of the disc An infinite distance on the plane surface The point on the circumference situated vertically opposite to the contact point The point of contact The center of the disc An infinite distance on the plane surface The point on the circumference situated vertically opposite to the contact point ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Point contact pair Closed pair Open pair Sliding pair Point contact pair Closed pair Open pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Crank Crank pin Connecting rod Cross-head Crank Crank pin Connecting rod Cross-head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to reciprocating masses Varies in magnitude and direction both Varies in magnitude but constant in direction Constant in magnitude and direction both Varies in direction but constant in magnitude Varies in magnitude and direction both Varies in magnitude but constant in direction Constant in magnitude and direction both Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₁l₂ = kG² l₁l₂ = kG l₂ = kG l₁ = kG l₁l₂ = kG² l₁l₂ = kG l₂ = kG l₁ = kG ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach + Arc of recess Arc of approach / Arc of recess Arc of approach - Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess Arc of approach / Arc of recess Arc of approach - Arc of recess Arc of approach × Arc of recess ANSWER DOWNLOAD EXAMIANS APP
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