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 0.8 0.2 0.6 0.4 0.8 0.2 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The axis of precession is __________ to the plane in which the axis of spin is going to rotate. Perpendicular None of these Both A and B Parallel Perpendicular None of these Both A and B Parallel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain requires at least 5 links and 4 turning pairs 2 links and 3 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 5 links and 4 turning pairs 2 links and 3 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a Straight line Rectangle Parabolic curve Triangle Straight line Rectangle Parabolic curve Triangle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Have line contact Are held together Permit relative motion Have surface contact Have line contact Are held together Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Open pairs are those which have Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP