Control Systems Find the conditions for the system to be stable? Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the type of the system given by 1. 2. 4. 3. 1. 2. 4. 3. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 45° 60° 80° 30° 45° 60° 80° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A property of phase lead compensation is that the bandwidth of closed loop system is reduced. overshoot is increased. rise time of closed loop system is reduced. gain margin is reduced. bandwidth of closed loop system is reduced. overshoot is increased. rise time of closed loop system is reduced. gain margin is reduced. 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? 6 sec 2 sec 5 sec 4 sec 6 sec 2 sec 5 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of roots in left hand half of s plane if characteristic equation is s3 - 4s2 + s + 6 = 0 ? 2. 3. 1. 0. 2. 3. 1. 0. ANSWER DOWNLOAD EXAMIANS APP