Control Systems What is the order of a closed loop control system for a plant with a transfer function equal to G(s) = k/s²(1+Ts) and with unity feedback 2 1 0 3 2 1 0 3 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 0.5∠10° 2∠90° 0.5∠0° 1∠0° 0.5∠10° 2∠90° 0.5∠0° 1∠0° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 100% of the final value 70.7% of the final value 50% of the final value 63% of the final value 100% of the final value 70.7% of the final value 50% of the final value 63% of the final value ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (-1,0) (2,0) (-2,0) (1,0) (-1,0) (2,0) (-2,0) (1,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is 8. 2. 6. 4. 8. 2. 6. 4. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a reactor in the line. a resistor in the line. a capacitor in parallel with the contacts. a capacitor in series with the contacts. a reactor in the line. a resistor in the line. a capacitor in parallel with the contacts. a capacitor in series with the contacts. ANSWER DOWNLOAD EXAMIANS APP