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 6 sec 2 sec 4 sec 5 sec 6 sec 2 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 4/5 3/7 3/4 3/5 4/5 3/7 3/4 3/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ? either 1 or 2 S is on root locus S is not on root locus None of these either 1 or 2 S is on root locus S is not on root locus None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation for elastic element (K) is (where, x = displacement) None of these K d2x/dt2 K *x K dx/dt None of these K d2x/dt2 K *x K dx/dt 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 Which of the following is/are represents the lag compensator? (s+2)/(s+5) (s+2)/(s+1) (s+5)/(s+6) both 1 and 2 (s+2)/(s+5) (s+2)/(s+1) (s+5)/(s+6) both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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