Q. The effect of adding poles and zeros can be determined quickly by

View solution

Q. In force current analogue, mechanical mobility is analogous to

View solution

Q. If any term in the first column of a Routh array becomes zero, then

View solution

Q. Which of the following features is not associated with Nichols chart?

View solution

Q. 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

Select the answer from the following codes:

View solution

Q. A lead compensator

View solution

Q. For type 1 system the velocity lag error is

View solution

Q. For G(jω) = 1 / (1+jωT) as ω approaches infinity, the magnitude approaches zero and phase angle approaches - 90°.

View solution

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