Control Systems A unity feed back system has forward transfer function The range of k for the system to be stable is 0 < k < 39. 0 < k < 3900. None of these 0 < k < 390. 0 < k < 39. 0 < k < 3900. None of these 0 < k < 390. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The following transfer function represents a phase-lead compensator? (4s+2)/(6s+1) 1/s (s+4)/(3s+6) (s+4)/(s+6) (4s+2)/(6s+1) 1/s (s+4)/(3s+6) (s+4)/(s+6) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the disadvantages of an open loop control system? None of these Inaccurate. both 1 and 2. Unreliable. None of these Inaccurate. both 1 and 2. Unreliable. 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 initial value? 1/4 0 3/5 3/9 1/4 0 3/5 3/9 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator b < a. a < kb. a < b. a > kb. b < a. a < kb. a < b. a > kb. ANSWER DOWNLOAD EXAMIANS APP
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 0.25 and 2 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 4 rad/s 0.25 and 2 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
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