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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
2 sec.
1.6 sec.
1.2 sec.
0.4 sec.
2 sec.
1.6 sec.
1.2 sec.
0.4 sec.
Answer
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Related Question
Control Systems
If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?
a > b, p > q
a < b, p >q
a < b, p < q
a > b, p < q
a > b, p > q
a < b, p >q
a < b, p < q
a > b, p < q
Answer
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Control Systems
A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point?
-1
-2
2
1
-1
-2
2
1
Answer
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Control Systems
A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is
180°
-180°
-90°
90°
180°
-180°
-90°
90°
Answer
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Control Systems
The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be
0.25.
0.49.
0.35.
0.16.
0.25.
0.49.
0.35.
0.16.
Answer
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Control Systems
Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network?
RCS/(1+RCS)
C/(1+RCS)
RC/(1+RCS)
1/(1+RCS)
RCS/(1+RCS)
C/(1+RCS)
RC/(1+RCS)
1/(1+RCS)
Answer
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