Control Systems Number of sign changes in the entries in 1st column of Routh array denotes the no. of open loop poles in RHP. open loop zeroes in RHP. zeroes of system in RHP. roots of characteristic polynomial in RHP. open loop poles in RHP. open loop zeroes in RHP. zeroes of system in RHP. roots of characteristic polynomial in RHP. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step error coefficient of a system with unity feedback is infinity. 1/6. 0. 1. infinity. 1/6. 0. 1. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is (2s+2)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the open loop DC gain of a unity feedback control system having closed loop transfer function as 4/9 4/13 9/4 13/4 4/9 4/13 9/4 13/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Reduction in gain at the expense of better stability Low sensitivity to parameter variations All of these Rejection of disturbance signals Reduction in gain at the expense of better stability Low sensitivity to parameter variations All of these Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation for elastic element (K) is (where, x = displacement) None of these K d2x/dt2 K *x K dx/dt None of these K d2x/dt2 K *x K dx/dt ANSWER DOWNLOAD EXAMIANS APP