Explore topic-wise MCQs in Control Systems.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

In second order system gain margin is :

A. Zero value
B. Finite value
C. Infinite value
D. None of the mentioned
Answer» D. None of the mentioned
2.

The parameter which is constant along the constant N circle :

A. Frequency
B. Phase angle
C. Magnitude
D. Open loop gain
Answer» C. Magnitude
3.

A polar plot intersects the unit circle at a point making -45° to the negative real axis then the phase margin of the system is :

A. -45°
B. 45°
C. 180°-45°
D. 180°+45°
Answer» C. 180°-45°
4.

The important figures of merit to the system in frequency domain are :

A. Maximum value of resonant peak
B. Value of resonance frequency
C. Maximum value of resonant peak and Value of resonance frequency
D. Minimum value of resonance frequency
Answer» D. Minimum value of resonance frequency
5.

IN_SECOND_ORDER_SYSTEM_GAIN_MARGIN_IS_:?$

A. Zero value
B. Finite value
C. Infinite value
D. None of the mentioned
Answer» D. None of the mentioned
6.

The parameter which is constant along the constant N circle ?

A. Frequency
B. Phase angle
C. Magnitude
D. Open loop gain
Answer» C. Magnitude
7.

A polar plot intersects the unit circle at a point making -45° to the negative real axis then the phase margin of the system is :$

A. -45°
B. 45°
C. 180°-45°
D. 180°+45°
Answer» C. 180¬¨¬®‚Äö√†√ª-45¬¨¬®‚Äö√†√ª
8.

In q(s) plane Nyquist plot is symmetrical about the :

A. Imaginary axis
B. Real axis
C. Origin
D. None of the mentioned
Answer» C. Origin
9.

Cut-off rate is the ability of the system to distinguish the signal from _____________

A. Bandwidth
B. Noise
C. Resonance peak
D. Magnitude
Answer» C. Resonance peak
10.

Bandwidth is :

A. Range of frequencies for which the system gain is more than-3dB
B. This is considered good range for transmission of signals
C. For better communication bandwidth of signal must be less
D. All of the mentioned
Answer» E.
11.

Frequency of oscillation in time domain correspond to :

A. Resonance peak
B. Resonant frequency
C. Bandwidth
D. Cut-off rate
Answer» C. Bandwidth
12.

Maximum peak overshoot in time domain corresponds to :

A. Resonance peak
B. Resonant frequency
C. Bandwidth
D. Cut-off rate
Answer» B. Resonant frequency
13.

Closed loop frequency response is very useful as :

A. It approximately predicts the time response of the systems
B. Time response are converted into time domain specifications
C. After design time domain specification is converted into frequency domain
D. All of the mentioned
Answer» E.