Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 3° 60° 30° 20° 3° 60° 30° 20° ANSWER DOWNLOAD EXAMIANS APP
Control Systems An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is stable and of the non-minimum phase type. unstable and of the minimum phase type. unstable and of the non minimum phase type . stable and of the minimum phase type. stable and of the non-minimum phase type. unstable and of the minimum phase type. unstable and of the non minimum phase type . stable and of the minimum phase type. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is 1.2 sec. 2 sec. 1.6 sec. 0.4 sec. 1.2 sec. 2 sec. 1.6 sec. 0.4 sec. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the polynomial is Routh Hurwitz, the function is not real. the roots of function have real parts which are to be zero/negative. all zeroes lie in the right half of the s-plane. none of these. the function is not real. the roots of function have real parts which are to be zero/negative. all zeroes lie in the right half of the s-plane. none of these. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Error at corner frequency ωcf of first order control system is ------- ±4 db ±3 db ±2 db ±1 db ±4 db ±3 db ±2 db ±1 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both -ve. GM -ve. GM and PM both +ve. PM - ve. GM and PM both -ve. GM -ve. GM and PM both +ve. PM - ve. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS