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Automatic Control Systems

Automatic Control Systems
If poles lie in first quadrant, damping ratio is

less than 1
1
Zero
More than 1

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Automatic Control Systems
Transport lag usually exists in

Thermal, hydraulic and pneumatic systems
Thermal systems
Pneumatic systems
Hydraulic systems and thermal systems

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

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

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Automatic Control Systems
In control systems the output of sensor usually, is

Analog or digital electrical signal
Digital electrical signal
Mechanical signal
Analog electrical signal

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Automatic Control Systems
Lag compensation permits a high gain at low frequencies.

False
True

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Automatic Control Systems
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.

True
False

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