Related Questions

According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is
A 0°
B 45°
C 90°
D 180°
Routh stability method uses __________ loop transfer function.
A Open
B Closed
C Either A or B
D Neither A nor B
__________ stability method uses open loop transfer function.
A Nyquist
B Mikhalov
C Ruth
D None of these
Nyquist stability criterion uses open loop frequency response characteristics.
A True
B False
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.
A Log-lag
B Triangular
C Ordinary
D Semi-log
In Bode plot, Φ vs ω is plotted on a/an __________ graph paper.
A Log-log
B Ordinary
C Semi-log
D Triangular
In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is
A $$\frac{{\text{G}}}{{1 + {\text{H}}}}$$
B $$\frac{{\text{H}}}{{1 + {\text{G}}}}$$
C $$\frac{{\text{G}}}{{\text{H}}}$$
D $$\frac{{\text{H}}}{{\text{G}}}$$
In Bode plots the frequency at which two asymptotes meet is called corner frequency.
A True
B False
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
A True
B False
Bode diagram are generated from output response of the system subjected to which of the following input?
A Impulse
B Step
C Ramp
D Sinusoidal

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