Control Systems A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lowest critical frequency is due to pole and it may be present at the origin or nearer to the origin, then the type of network is RL. Any of the above. LC. RC. RL. Any of the above. LC. RC. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 5 sec 25 sec ∞ sec 1 sec 5 sec 25 sec ∞ sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Weighting function is in terms of ----------------- Laplace transform of the ramp response Laplace transform of the step response Laplace transform of the impulse response Laplace transform of the parabolic response Laplace transform of the ramp response Laplace transform of the step response Laplace transform of the impulse response Laplace transform of the parabolic response ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value? 1 3/5 0 1/4 1 3/5 0 1/4 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 ? 2. 0. 1. 3. 2. 0. 1. 3. ANSWER DOWNLOAD EXAMIANS APP
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