Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is -180° 90° 180° -90° -180° 90° 180° -90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Let P = Number of open loop poles and Z = Number of open loop zeros and P > Z, find the number of branches terminating at ∞? P P - Z Z Any of the above P P - Z Z Any of the above ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as etu(t). e-tu(t). et. e-t. etu(t). e-tu(t). et. e-t. 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) and Q (s) are same. maximum degree of P (s) and Q (s) differ at most by one. the degree of P (s) is always greater than the degree of Q (s). degree of P (s) is independent of degree of Q (s). the degree of P (s) and Q (s) are same. maximum degree of P (s) and Q (s) differ at most by one. the degree of P (s) is always greater than the degree of Q (s). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)? e-t sint*u(t) e-t tant*u(t) e-t cott*u(t) e-t cost*u(t) e-t sint*u(t) e-t tant*u(t) e-t cott*u(t) e-t cost*u(t) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The type number of the control system with G(s) = k(s+2)/(s(s²+2s+3) is 0 1 3 2 0 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
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