Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 60° 80° 45° 30° 60° 80° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 6.5 4 5 10 6.5 4 5 10 ANSWER DOWNLOAD EXAMIANS APP
Control Systems If two blocks having gains A and B respectively are in series connection, find the resultant gain using block diagram reduction technique? A-B A+B A/B A*B A-B A+B A/B A*B ANSWER DOWNLOAD EXAMIANS APP
Control Systems A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator b < a. a < kb. a > kb. a < b. b < a. a < kb. a > kb. a < b. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a network function H(s) = 2(s+3)/{(s+2)(s+4)}. What is the steady state response due to step input? 4/3 3/4 1/2 1 4/3 3/4 1/2 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of non unity negative feedback system is , then the number of root locus branches equal to 0. 3. 2. 1. 0. 3. 2. 1. ANSWER DOWNLOAD EXAMIANS APP