Control Systems The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is 1/(s+1) 1/s 1/s(s+1) s/(s+1) 1/(s+1) 1/s 1/s(s+1) s/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems With regard to filtering property, the lead compensator is low pass filter high pass filter band reject filter bandpass filter low pass filter high pass filter band reject filter bandpass filter ANSWER DOWNLOAD EXAMIANS APP
Control Systems When compared to a 1st order LPF, a 2nd order LPF has higher voltage gain. higher cut off frequency. faster drop in filter response. lower voltage gain. higher voltage gain. higher cut off frequency. faster drop in filter response. lower voltage gain. 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∠10° 0.5∠0° 2∠90° 1∠0° 0.5∠10° 0.5∠0° 2∠90° 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) (-1,0) (2,0) (1,0) (-2,0) (-1,0) (2,0) ANSWER DOWNLOAD EXAMIANS APP
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