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 4 sec 5 sec 6 sec 2 sec 4 sec 5 sec 6 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the disadvantages of an open loop control system? None of these Unreliable. both 1 and 2. Inaccurate. None of these Unreliable. both 1 and 2. Inaccurate. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to? 1/(s² + s + 2) 2/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + 3s + 2) 1/(s² + s + 2) 2/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + 3s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead network is used to improve steady state response. improve transient response. increase bandwidth. both A and C. improve steady state response. improve transient response. increase bandwidth. both A and C. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (1,0) (-2,0) (-1,0) (2,0) (1,0) (-2,0) (-1,0) (2,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The Laplace transform of a transportation lag of 5 seconds is e-5s. 1/(s-5). e5s. 1/(s+5). e-5s. 1/(s-5). e5s. 1/(s+5). ANSWER DOWNLOAD EXAMIANS APP
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