Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 1.386. 2.000. 0.693. 0.500. 1.386. 2.000. 0.693. 0.500. ANSWER DOWNLOAD EXAMIANS APP
Control Systems If two blocks having gains A and B respectively are in parallel connection, find the resultant gain using block diagram reduction technique? A*B 2(A+B) A/B A+B A*B 2(A+B) A/B A+B ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead compensator is used to improve ------------------ None of these Steady state response Both 1 and 2 Transient response None of these Steady state response Both 1 and 2 Transient response 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) 1/(s² + 3s + 2) 2/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 2/(s² + 3s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The step response of the system described by the differential equation will be e6t. e-3t u(t). non of above. (1/6)*(1-e-6t). e6t. e-3t u(t). non of above. (1/6)*(1-e-6t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as over damped system. critically damped system. undamped system . under damped system. over damped system. critically damped system. undamped system . under damped system. ANSWER DOWNLOAD EXAMIANS APP