Control Systems Force balancing equation of a mass element is (where, x = displacement) any of the above M d2x/dt2 M dx/dt M *x any of the above M d2x/dt2 M dx/dt M *x ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation for closed loop system is given as . The value of k for which the system becomes just stable is 8 2 4 6 8 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is 1/(s+1) 1/s 1/s(s+1) s/(s+1) 1/(s+1) 1/s 1/s(s+1) s/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become zero 0.707 infinite unity zero 0.707 infinite unity ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the conditions for the system to be stable? Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency? 31.41 rad/s 29.74 ra/s 30.63 rad/s 32.16 rad/s 31.41 rad/s 29.74 ra/s 30.63 rad/s 32.16 rad/s ANSWER DOWNLOAD EXAMIANS APP
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