Solapur-University-M.Sc. – Electronics (Semester-II)-2019-On Control Theory
| Sr. No | Questions with multiple options |
| 1. | Transfer function of closed loop control system is given by ____
(a) T.F. = 1/G(s)H(s) (b) T.F. = 1+G(s)H(s) (c) T.F. = 1/(G(s)H(s)) (d) T.F. = G(s)/(1+G(s)H(s)) |
| 2. | The time that the system output takes to reach from 10% to 90% of its final value is known as ___ time.
(a) Delay time (b) Setting time (c) Peak time (d) Rise time |
| 3. | If three gain blocks having gains G1, G2 and G3 are connected in series, then resulting gain of the system is _____
(a) G1/(G2+G3) (b) G1 x G2 x G3 (c) G1 + G2 + G3 (d) G1/G2/G3 |
| 4. | The node having all out going branches only is called ____ node.
(a) Source (b) Sink (c) Chain (d) Feedback |
| 5. | For type 0 system, the steady state error for step input is given by ____
(a) ess = Kp (b) ess = 1/Kp (c) ess = 1/(1+Kp) (d) infinity |
| 6. | For system to be stable, the roots of characteristics equation should be ____
(a) On imaginary axis of the s-plane (b) At right half of the s-plane (c) At Origin of the s-plane (d) At left half of the s-plane |
| 7. | The Bode plots are the response of ____
(a) Magnitude against log of frequency (b) Log of magnitude against frequency (c) Log of magnitude and phase angle against log of frequency (d) Magnitude against phase angle |
| 8. | The PD mode composite control ______
(a) Makes system unstable (b) Reduces overshoots (c) Reduces gain (d) Reduces bandwidth |
| Data Collected By – K. Jeyanthi | |
| Published on – 12th Nov 2021 | |
Leave a Reply