Control Systems Consider the following statements for phase lead compensation: Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. both 1 and 2 nether 1 nor 2 Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. both 1 and 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'? 1 2 0 3 1 2 0 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The error of a system to a ramp input is 1/5, if the type of the system is decreased by one, then the error of unit step input is 0.167 6/5 5 0.2 0.167 6/5 5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a lead compensator, the poles lie: on LHS before zero. on origin. on RHS. on LHS. on LHS before zero. on origin. on RHS. on LHS. 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 gain k is increased to infinity, then damping ratio will tend to become infinite zero unity 0.707 infinite zero unity 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP