Control Systems What is the open loop DC gain of a unity feedback control system having closed loop transfer function as 4/9 13/4 4/13 9/4 4/9 13/4 4/13 9/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of 'a' in to give phase margin = 45o will be 1.414. 0.707. 0.9. 1.18. 1.414. 0.707. 0.9. 1.18. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system of constant voltage and constant frequency is called _________________ system. zero. feedback. infinite. None of these zero. feedback. infinite. None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The output of the system has an effect upon the input quantity, then the system is a closed loop control system. None of these either 1 or 2. open loop control system. closed loop control system. None of these either 1 or 2. open loop control system. 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 the gain k is increased to infinity, then damping ratio will tend to become 0.707 unity zero infinite 0.707 unity zero infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)? e-t tant*u(t) e-t cott*u(t) e-t cost*u(t) e-t sint*u(t) e-t tant*u(t) e-t cott*u(t) e-t cost*u(t) e-t sint*u(t) ANSWER DOWNLOAD EXAMIANS APP