Control Systems The optimum values of damping ratio is -------------- 0.3 to 0.7 0.9 to 1.1 0.3 to 5 0 to 2 0.3 to 0.7 0.9 to 1.1 0.3 to 5 0 to 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator a > kb. b < a. a < b. a < kb. a > kb. b < a. a < b. a < kb. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 1 sec ∞ sec 25 sec 5 sec 1 sec ∞ sec 25 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems When deriving the transfer function of linear element both initial conditions and loading are taken into account. initial conditions are assumed to be zero and the element is assumed to be not loaded. initial conditions are assumed to be zero but loading is taken into account. initial conditions are taken into account but the element is assumed to be not loaded. both initial conditions and loading are taken into account. initial conditions are assumed to be zero and the element is assumed to be not loaded. initial conditions are assumed to be zero but loading is taken into account. initial conditions are taken into account but the element is assumed to be not loaded. ANSWER DOWNLOAD EXAMIANS APP
Control Systems To achieve the optimum transient response, the indicating instruments are so designed as to be undamped. be critically damped. provide damping which is slightly less than the critical value. provide damping which is slightly more than the critical value. be undamped. be critically damped. provide damping which is slightly less than the critical value. provide damping which is slightly more than the critical value. ANSWER DOWNLOAD EXAMIANS APP
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° 90° -90° -180° 180° 90° -90° -180° ANSWER DOWNLOAD EXAMIANS APP
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