Control Systems Nyquist Stability Criterion 2 Online Exam Quiz
Control Systems Nyquist Stability Criterion 2 GK Quiz. Question and Answers related to Control Systems Nyquist Stability Criterion 2. MCQ (Multiple Choice Questions with answers about Control Systems Nyquist Stability Criterion 2
If the system is represented by G(s) H(s) = k (s+7) / s (s +3) (s + 2), what would be its magnitude at ? = ??
Options
A : 0
B : ?
C : 7/10
D : 21
If a Nyquist plot of G (j?) H (j?) for a closed loop system passes through (-2, j0) point in GH plane, what would be the value of gain margin of the system in dB?
Options
A : 0 dB
B : 2.0201 dB
C : 4 dB
D : 6.0205 dB
For Nyquist contour, the size of radius is _______
Options
A : 25
B : 0
C : 1
D : ?
Consider a feedback system with gain margin of about 30. At what point does Nyquist plot crosses negative real axis?
Options
A : -3
B : -0.3
C : -30
D : -0.03
Due to an addition of pole at origin, the polar plot gets shifted by ___ at ? = 0 ?
Options
A : -45°
B : -60°
C : -90°
D : -180°
Which principle specifies the relationship between enclosure of poles & zeros by s-plane contour and the encirclement of origin by q(s) plane contour?
Options
A : Argument
B : Agreement
C : Assessment
D : Assortment
According to Nyquist stability criterion, where should be the position of all zeros of q(s) corresponding to s-plane?
Options
A : On left half
B : At the center
C : On right half
D : Random
In polar plots, what does each and every point represent w.r.t magnitude and angle?
Options
A : Scalar
B : Vector
C : Phasor
D : Differentiator
In polar plots, if a pole is added at the origin, what would be the value of the magnitude at ? = 0?
Options
A : Zero
B : Infinity
C : Unity
D : Unpredictable
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