Control Systems When the system gain is doubled the gain margin becomes? 2 times Remains unaffected None of these 1/2 times 2 times Remains unaffected None of these 1/2 times ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 60° 20° 3° 30° 60° 20° 3° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B d2x/dt2 B *x None of these B dx/dt B d2x/dt2 B *x None of these B dx/dt 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(s+1) s/(s+1) 1/s 1/(s+1) 1/s(s+1) s/(s+1) 1/s 1/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 1/2 rad/s 4 rad/s 1/4 rad/s 2 rad/s 1/2 rad/s 4 rad/s 1/4 rad/s 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a < b, p < q a < b, p >q a > b, p > q a > b, p < q a < b, p < q a < b, p >q a > b, p > q a > b, p < q ANSWER DOWNLOAD EXAMIANS APP