Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a transfer function H (s) = P(s) / Q(s), where P (s) and Q (s) are polynomials in s. Then degree of P (s) is independent of degree of Q (s). the degree of P (s) is always greater than the degree of Q (s). maximum degree of P (s) and Q (s) differ at most by one. the degree of P (s) and Q (s) are same. degree of P (s) is independent of degree of Q (s). the degree of P (s) is always greater than the degree of Q (s). maximum degree of P (s) and Q (s) differ at most by one. the degree of P (s) and Q (s) are same. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Type and order of transfer function G (s) = K / {s(s + 2)} 0, 2. 1, 2. 2, 1. 1, 1. 0, 2. 1, 2. 2, 1. 1, 1. 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 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. stable and of the non-minimum phase type. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of roots in left hand half of s plane if characteristic equation is s3 - 4s2 + s + 6 = 0 ? 1. 2. 3. 0. 1. 2. 3. 0. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? All of these Oscillatory response. Reduces the overall gain. Complex and costly. All of these Oscillatory response. Reduces the overall gain. Complex and costly. ANSWER DOWNLOAD EXAMIANS APP
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