Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 1 64 16 4 1 64 16 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the advantages of a closed loop control system? nether 1 nor 2. both 1 and 2. The closed loop systems are accurate. The closed loop systems are less affected by noise. nether 1 nor 2. both 1 and 2. The closed loop systems are accurate. The closed loop systems are less affected by noise. 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: √( ab ). a / b. √( a / b). ab. √( ab ). a / b. √( a / b). ab. 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. undamped system . critically damped system. under damped system. over damped system. undamped system . critically damped system. under damped system. 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 4 sec 10 sec 100 sec 400 sec 4 sec 10 sec 100 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+1)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP