Q. Robotic manipulator arms mostly use

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Q. In terms of ξ and ωn the settling time of a second order systems for 2% criterion and step input is equal to

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Q. The M circle for M = 1 is the

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Q. Which of the following can act as error detecting devices

1. a pair of potentiometers
2. a pair of synchros
3. a differential transformer
4. a metadyne
5. a control transformer

Select the answer using the following codes:

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Q. Assertion (A): If minimum phase system has a gain margin of 8 dB and phase margin of 21°, the system is stable.

Reason (R): For a minimum phase system both GM and PM must be positive for the system to be stable.

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Q. The constant magnitude of G(s) plane are

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Q. Which of the following is correct?

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Q. Assertion (A): In an automobile the amount of fuel admitted to the engine is adjusted as per the difference between desired and actual speed.

Reason (R): The control signal is the amount of fuel to be admitted to the engine.

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Q. A system is highly oscillatory if

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Q. For 0 < M < 1, the centres of M circle lie to the right of origin.

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Q. Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.

Reason (R): All root locus asymptotes intersect on real axis.

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Q. A conditionally stable system is stable for the value of gain between two critical values. It is unstable if

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