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
Control Systems A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 2 sec 5 sec 6 sec 4 sec 2 sec 5 sec 6 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a lead compensator, the poles lie: on origin. on LHS. on LHS before zero. on RHS. on origin. on LHS. on LHS before zero. on RHS. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as under damped system. undamped system. critically damped system. over damped system. under damped system. undamped system. critically damped system. over damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 1/4 rad/s 4 rad/s 1/2 rad/s 2 rad/s 1/4 rad/s 4 rad/s 1/2 rad/s 2 rad/s 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 negative but phase margin is positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative ANSWER DOWNLOAD EXAMIANS APP
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