Control Systems Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ? S is on root locus S is not on root locus None of these either 1 or 2 S is on root locus S is not on root locus None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become unity 0.707 infinite zero unity 0.707 infinite zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems The following transfer function represents a phase-lead compensator? (s+4)/(s+6) (4s+2)/(6s+1) 1/s (s+4)/(3s+6) (s+4)/(s+6) (4s+2)/(6s+1) 1/s (s+4)/(3s+6) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by 1∠0° 0.5∠0° 2∠90° 0.5∠10° 1∠0° 0.5∠0° 2∠90° 0.5∠10° 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 critically damped system. undamped system . over damped system. under damped system. critically damped system. undamped system . over damped system. under damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency? 30.63 rad/s 29.74 ra/s 32.16 rad/s 31.41 rad/s 30.63 rad/s 29.74 ra/s 32.16 rad/s 31.41 rad/s ANSWER DOWNLOAD EXAMIANS APP