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Control Systems
Which of the following is the electrical analogous element for displacement in force-voltage analogy?
Charge.
Voltage.
Current.
Flux.
Charge.
Voltage.
Current.
Flux.
Answer
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Control Systems
Time taken by the response to reach and stay within a specified error is called
Raise time.
Peak overshoot.
Peak time.
Settling time.
Raise time.
Peak overshoot.
Peak time.
Settling time.
Answer
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Control Systems
The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is
100 sec
10 sec
4 sec
400 sec
100 sec
10 sec
4 sec
400 sec
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 value of 'a' in to give phase margin = 45o will be
0.9.
1.18.
1.414.
0.707.
0.9.
1.18.
1.414.
0.707.
Answer
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Control Systems
The maximum phase lag occurs at the ------------------- of the two corner frequencies?
either 1 or 2
arithmetic mean
None of these
geometric mean
either 1 or 2
arithmetic mean
None of these
geometric mean
Answer
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