Control Systems Error at corner frequency ωcf of first order control system is ------- ±4 db ±2 db ±3 db ±1 db ±4 db ±2 db ±3 db ±1 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 0.5 4 1 2 0.5 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? Reduces the overall gain. All of these Complex and costly. Oscillatory response. Reduces the overall gain. All of these Complex and costly. Oscillatory response. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase of lead compensator of the system G ( s ) = ( s + a ) / ( s + b ) is at its maximum at: a / b. ab. √( a / b). √( ab ). a / b. ab. √( a / b). √( ab ). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a mass element is (where, x = displacement) any of the above M d2x/dt2 M *x M dx/dt any of the above M d2x/dt2 M *x M dx/dt 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 400 sec 10 sec 4 sec 100 sec 400 sec 10 sec 4 sec 100 sec ANSWER DOWNLOAD EXAMIANS APP