Theory of Machine Kinematic pairs are those which have Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.8 0.2 0.6 0.4 0.8 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁ + ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as Torsional pendulum Compound pendulum Simple pendulum Second's pendulum Torsional pendulum Compound pendulum Simple pendulum Second's pendulum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n(n - 1)/2 n n - 1 n/2 n(n - 1)/2 n n - 1 n/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l - 2 l + 1 l - 1 l l - 2 l + 1 l - 1 l ANSWER DOWNLOAD EXAMIANS APP
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