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-1).u(t) c(t)u(t) c(t-1).u(t-1) c(t).u(t-1) c(t-1).u(t) c(t)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? 6 sec 4 sec 2 sec 5 sec 6 sec 4 sec 2 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems For the polynomial , find the number of roots which lie on the right half of s-plane? 1 0 4 2 1 0 4 2 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 under damped system. undamped system. over damped system. critically damped system. under damped system. undamped system. over damped system. critically damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step response of the system is 1 - e-t(1+t). Which is the system? oscillatory critically stable unstable stable oscillatory critically stable unstable stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.707 0.07 0.87 0.087 0.707 0.07 0.87 0.087 ANSWER DOWNLOAD EXAMIANS APP
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