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 0.4 0.6 0.8 0.2 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relative velocity of B with respect to A in a rigid link AB is At 45° to AB Perpendicular to AB Along AB Parallel to AB At 45° to AB Perpendicular to AB Along AB Parallel to AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be Zero None of these Minimum Maximum Zero None of these Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 100 to 200 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 80 to 100 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Bifilar suspension method is used to determine Moment of inertia Centripetal acceleration Position of balancing weights Natural frequency of vibration Moment of inertia Centripetal acceleration Position of balancing weights Natural frequency of vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs) n = 2(l - 1) - 2j - h n = 3(l - 1) - 2j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 2j - h n = 3(l - 1) - 2j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 3j - h ANSWER DOWNLOAD EXAMIANS APP