Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? sin-1((1 - α)/(1 + α) both 1 and 3 cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) both 1 and 3 cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller has high sensitivity both 1 and 2 improves the steady state accuracy increases the stability of the system has high sensitivity both 1 and 2 improves the steady state accuracy increases the stability of the system ANSWER DOWNLOAD EXAMIANS APP
Control Systems If two blocks having gains A and B respectively are in parallel connection, find the resultant gain using block diagram reduction technique? A/B A+B A*B 2(A+B) A/B A+B A*B 2(A+B) 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 gain k is increased to infinity, then damping ratio will tend to become 0.707 zero infinite unity 0.707 zero infinite unity 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 5 sec 4 sec 2 sec 6 sec 5 sec 4 sec 2 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Poles and zeros are arranged alternatively on negative real axis, then type of network is/are Both 2 and 3. RC network. LC network. RL network. Both 2 and 3. RC network. LC network. RL network. ANSWER DOWNLOAD EXAMIANS APP