Control Systems The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is 1/(s+1) 1/s s/(s+1) 1/s(s+1) 1/(s+1) 1/s s/(s+1) 1/s(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a mass element is (where, x = displacement) M d2x/dt2 any of the above M dx/dt M *x M d2x/dt2 any of the above M dx/dt M *x 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∠0° 0.5∠10° 2∠90° 1∠0° 0.5∠0° 0.5∠10° 2∠90° 1∠0° ANSWER DOWNLOAD EXAMIANS APP
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 3 1 0 2 3 1 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? All of these Reduction in gain at the expense of better stability Rejection of disturbance signals Low sensitivity to parameter variations All of these Reduction in gain at the expense of better stability Rejection of disturbance signals Low sensitivity to parameter variations ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step response of the system is 1 - e-t(1+t). Which is the system? stable unstable critically stable oscillatory stable unstable critically stable oscillatory ANSWER DOWNLOAD EXAMIANS APP
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