Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value? 1/4 3/5 0 1 1/4 3/5 0 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transfer function of zero order hold response is (1 / s) × e-st. (1 / s) × (1 - est). (1 / s) × (1 - e-st). (s) × (1 - est). (1 / s) × e-st. (1 / s) × (1 - est). (1 / s) × (1 - e-st). (s) × (1 - est). 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? 5 sec 2 sec 6 sec 4 sec 5 sec 2 sec 6 sec 4 sec 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 critically damped system. undamped system. over damped system. under damped system. critically damped system. undamped system. over damped system. under damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by N - 2B - 1. B - N + 1. N - B + 1. B + N. N - 2B - 1. B - N + 1. N - B + 1. B + N. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation for closed loop system is given as . The value of k for which the system becomes just stable is 8 2 4 6 8 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS