Q. Nyquist stability criterion uses open loop frequency response characteristics.

View solution

Q. For any test point s on the real axis, the sum of angular contributions of the complex conjugate poles is

View solution

Q. Integral control action

View solution

Q. The sensor generally used in incremental optical encoder is

View solution

Q. Robotic manipulator arms mostly use

View solution

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

View solution

Q. The M circle for M = 1 is the

View solution

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:

View solution

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.

View solution

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

View solution

Q. Which of the following is correct?

View solution

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.

View solution

Q. A system is highly oscillatory if

View solution

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

View solution

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.

View solution

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

View solution