Theory of Machine The amplitude of vibration is always __________ the radius of the circle. Greater than Less than None of these Equal to Greater than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Any -ve value Any +ve value Zero Infinity Any -ve value Any +ve value Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is 2πk/r. √(g/l) r/2πk. √(g/l) 2πr/k. √(g/l) r/2πk. √(l/g) 2πk/r. √(g/l) r/2πk. √(g/l) 2πr/k. √(g/l) r/2πk. √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. Real None of these Equal Complex conjugate Real None of these Equal Complex conjugate ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n/2 n - 1 n n(n - 1)/2 n/2 n - 1 n n(n - 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases linearly with time Increases exponentially with time Decreases exponentially with time Decreases linearly with time Increases linearly with time Increases exponentially with time Decreases exponentially with time Decreases linearly with time ANSWER DOWNLOAD EXAMIANS APP
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