A. low frequencies
B. reduced values of open loop gain
C. increased values of open loop gain
D. none of the above
Related Mcqs:
- technique gives quick transient and stability response______________?
A. Root locus
B. Bode
C. Nyquist
D. Nichols - Which of the following is the best method for determining the stability and transient response ?
A. Root locus
B. Bode plot
C. Nyquist plot
D. None of the above - Which of the following should be done to make an unstable system stable ?
A. The gain of the system should be decreased
B. The gain of the system should be increased
C. The number of poles to the loop transfer function should be increased
D. The number of zeros to the loop transfer function should be increased - In a stable control system backlash can cause which of the following ?
A. Underdamping
B. Overdamping
C. Poor stability at reduced values of open loop gain
D. Low-level oscillations - A good control system has all the following features except_____________?
A. good stability
B. slow response
C. good accuracy
D. sufficient power handling capacity - For open control system which of the following statements is incorrect ?
A. Less expensive
B. Recalibration is not required for maintaining the required quality of the output
C. Construction is simple and maintenance easy
D. Errors are caused by disturbances - Zero initial condition for a system means_______________?
A. input reference signal is zero
B. zero stored energy
C. ne initial movement of moving parts
D. system is at rest and no energy is stored in any of its components - In electrical-pneumatic system analogy the current is considered analogous to_____________?
A. velocity
B. pressure
C. air flow
D. air flow rate - A phase lag lead network introduces in the output_______________?
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 - 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
