ECE :: Automatic Control Systems
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Assertion (A): If integral control action is included in the controller the offset can be eliminated.
Reason (R): Integral control action may lead to oscillatory response.
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An ac tachometer has a drag cup construction so that
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If
the breakaway and break in points in the root locus are located at -
Assertion (A): Feedback control systems offer more accurate control than open loop systems.
Reason (R): The feedback path establishes a link for comparison of input and output and subsequent error correction.
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Examine the following statements
- Pneumatic systems are fire proof.
- Pneumatic systems are explosion proof.
- Hydraulic systems are explosion proof.
- Hydraulic systems are fire proof.
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The addition of a zero to the open loop transfer function
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Assertion (A): For a given system only one of the static error constants is finite and significant.
Reason (R): If finite static error constant is large, the loop gain becomes smaller as ω approaches zero.
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