Control Systems Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be c(t).u(t-1) c(t)u(t) c(t-1).u(t) c(t-1).u(t-1) c(t).u(t-1) c(t)u(t) c(t-1).u(t) c(t-1).u(t-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 4 sec 6 sec 5 sec 2 sec 4 sec 6 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is 100 sec 4 sec 400 sec 10 sec 100 sec 4 sec 400 sec 10 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 60° 30° 3° 20° 60° 30° 3° 20° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of roots in left hand half of s plane if characteristic equation is s3 - 4s2 + s + 6 = 0 ? 1. 0. 3. 2. 1. 0. 3. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function for tachometer E(S)/θ(S) is KS2 KS K K/S KS2 KS K K/S ANSWER DOWNLOAD EXAMIANS APP
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