Control Systems The following transfer function represents a phase-lead compensator? (s+4)/(s+6) 1/s (s+4)/(3s+6) (4s+2)/(6s+1) (s+4)/(s+6) 1/s (s+4)/(3s+6) (4s+2)/(6s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? All of these Reduces the overall gain. Oscillatory response. Complex and costly. All of these Reduces the overall gain. Oscillatory response. Complex and costly. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to? 1/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 2/(s² + 3s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is 8. 4. 6. 2. 8. 4. 6. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feed back system has forward transfer function The range of k for the system to be stable is 0 < k < 3900. None of these 0 < k < 390. 0 < k < 39. 0 < k < 3900. None of these 0 < k < 390. 0 < k < 39. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 0°, 120°, 240° 120°, 180°, 240° 0°, 180°, 300° 60°, 180°, 300° 0°, 120°, 240° 120°, 180°, 240° 0°, 180°, 300° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
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