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Automatic Control Systems

Automatic Control Systems
In Bode plots the frequency at which two asymptotes meet is called corner frequency.

True
False

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Automatic Control Systems
A lead compensator

None of these
Increases the stability margin
Speeds up the transient response
Increases the stability margin and speeds up the transient-response.

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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

1, 2 and 3
3 and 4
1 and 2
All

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Automatic Control Systems
M circles are symmetrical with respect to

M = 1 straight line
M = 1 straight line and imaginary axis
M = 1 straight line and real axis
Real and imaginary axis

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Automatic Control Systems
For type 1 system the velocity lag error is

Directly proportional to gain constant
Inversely proportional to bandwidth of system
Inversely proportional to gain constant
Independent of gain constant

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Automatic Control Systems
Temperature is analogous to

Voltage
Charge
Flux
None of these

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