Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is -180° 180° 90° -90° -180° 180° 90° -90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network? 1/(1+RCS) C/(1+RCS) RC/(1+RCS) RCS/(1+RCS) 1/(1+RCS) C/(1+RCS) RC/(1+RCS) RCS/(1+RCS) ANSWER DOWNLOAD EXAMIANS APP
Control Systems To achieve the optimum transient response, the indicating instruments are so designed as to be undamped. provide damping which is slightly more than the critical value. be critically damped. provide damping which is slightly less than the critical value. be undamped. provide damping which is slightly more than the critical value. be critically damped. provide damping which is slightly less than the critical value. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transfer function of zero order hold response is (1 / s) × (1 - e-st). (s) × (1 - est). (1 / s) × e-st. (1 / s) × (1 - est). (1 / s) × (1 - e-st). (s) × (1 - est). (1 / s) × e-st. (1 / s) × (1 - est). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The magnitude of a transfer function G(jω)H(jω) at gain cross over frequency is 0 infinity 1 any of the above 0 infinity 1 any of the above ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transient response is improved in case of lag network. both A and B. none of these. lead network. lag network. both A and B. none of these. lead network. ANSWER DOWNLOAD EXAMIANS APP