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Control Systems
For the polynomial , number of roots which lie in the right half of s-plane is
2
1
3
4
2
1
3
4
Answer
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Related Question
Control Systems
A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point?
-2
1
2
-1
-2
1
2
-1
Answer
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Control Systems
Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as
over damped system.
undamped system.
under damped system.
critically damped system.
over damped system.
undamped system.
under damped system.
critically damped system.
Answer
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Control Systems
Transfer function of zero order hold response is
(1 / s) × (1 - est).
(s) × (1 - est).
(1 / s) × (1 - e-st).
(1 / s) × e-st.
(1 / s) × (1 - est).
(s) × (1 - est).
(1 / s) × (1 - e-st).
(1 / s) × e-st.
Answer
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Control Systems
The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is
0.4 sec.
1.6 sec.
1.2 sec.
2 sec.
0.4 sec.
1.6 sec.
1.2 sec.
2 sec.
Answer
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Control Systems
The initial slope of Bode plot for a transfer function having no poles at the origin is
+10dB/decade.
-20dB/decade.
-10dB/decade.
0 dB/decade
+10dB/decade.
-20dB/decade.
-10dB/decade.
0 dB/decade
Answer
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