A. lag at all frequencies
B. lag at high frequencies and lead at low frequencies
C. lag at low frequencies and lead at high frequencies
D. none of the above
Related Mcqs:
- The phase lag produced by transportation relays_____________?
A. is independent of frequency
B. is inverseh’proportional to frequency
C. increases linearly with frequency
D. decreases linearly with frequency - Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ?
A. The system is relatively stable
B. The system is highly stable
C. The system is highly oscillatory
D. None of the above - Phase margin of a system is used to specify which of the following ?
A. Frequency response
B. Absolute stability
C. Relative stability
D. Time response - A control system working under unknown random actions is called______________?
A. computer control system
B. digital data system
C. stochastic control system
D. adaptive control system - An automatic toaster is a ___________ loop control system?
A. open
B. closed
C. partially closed
D. any of the above - The second derivative input signals modify which of the following ?
A. The time constant of the system
B. Damping of the system
C. The gain of the system
D. The time constant and suppress the oscillations
F. None of the above - In force-voltage analogy, velocity is analogous to______________?
A. current
B. charge
C. inductance
D. capacitance - An amplidyne can give which of the following characteristics ?
A. Constant current
B. Constant voltage
C. Constant current as well as constant voltage
D. Constant current, constant voltage and constant power
F. None of the above - Static error coefficients are used as a measure of the effectiveness of closed loop systems for specified ___________ input signal?
A. acceleration
B. velocity
C. position
D. all of the above - technique gives quick transient and stability response______________?
A. Root locus
B. Bode
C. Nyquist
D. Nichols
