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 infinite zero unity 0.707 infinite zero unity ANSWER DOWNLOAD EXAMIANS APP
Control Systems Let P = Number of open loop poles and Z = Number of open loop zeros and P > Z, find the number of branches terminating at ∞? Z P Any of the above P - Z Z P Any of the above P - Z ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the advantages of a closed loop control system? both 1 and 2. The closed loop systems are less affected by noise. nether 1 nor 2. The closed loop systems are accurate. both 1 and 2. The closed loop systems are less affected by noise. nether 1 nor 2. The closed loop systems are accurate. 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 B + N. N - 2B - 1. N - B + 1. B - N + 1. B + N. N - 2B - 1. N - B + 1. B - N + 1. 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? 2 sec 6 sec 4 sec 5 sec 2 sec 6 sec 4 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems In frequency response analysis of second order system, the error at corner frequency is 20 log2ξ 10 logξ -20 log2ξ -10 logξ 20 log2ξ 10 logξ -20 log2ξ -10 logξ ANSWER DOWNLOAD EXAMIANS APP
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