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Automatic Control Systems
Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator
3 and 4
1, 2 and 3
1 and 2
All
3 and 4
1, 2 and 3
1 and 2
All
Answer
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Related Question
Automatic Control Systems
The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions.
True
False
True
False
Answer
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Automatic Control Systems
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
False
True
False
True
Answer
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Automatic Control Systems
Lag compensation permits a high gain at low frequencies.
False
True
False
True
Answer
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Automatic Control Systems
If the poles lie in second quadrant, damping ratio is
1
more than 1
less than 1
zero
1
more than 1
less than 1
zero
Answer
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Automatic Control Systems
The addition of a pole to the open loop transfer function pulls the root locus
To the right
Towards right or left depending on the position of new pole
To the left and making the system more stable
None of these
To the right
Towards right or left depending on the position of new pole
To the left and making the system more stable
None of these
Answer
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