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
Related Mcqs:
- 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 conditionally stable system exhibits poor stability at______________?
A. low frequencies
B. reduced values of open loop gain
C. increased values of open loop gain
D. none of the above - Which of the following is an open loop control system ?
A. Field controlled D.C. motor
B. Ward leonard control
C. Metadyne
D. Stroboscope - Which of the following devices are commonly used as error detectors in instruments ?
A. Vernistats
B. Microsyns
C. Resolvers
D. Any of the above - On which of the following factors does the sensitivity of a closed loop system to gain changes and load disturbances depend ?
A. Frequency
B. Loop gain
C. Forward gain
D. All of the above - Due to which of the following reasons excessive bond width in control systems should be avoided ?
A. It leads to slow speed of response
B. It leads to low relative stability
C. Noise is proportional to band width
D. None of the above - The transfer function is applicable to which of the following ?
A. Linear and time-in variant systems
B. Linear and time-variant systems
C. Linear systems
D. Non-linear systems
F. None of the above - In order to increase the damping of a badly underdamped system which of following compensators may be used ?
A. Phase-lead
B. Phase-lag
C. Both A. and B.
D. Either A. and B.
F. None of the above - The transfer function technique is considered as inadequate under which of the following conditions ?
A. Systems having complexities and non-linearities
B. Systems having stability problems
C. Systems having multiple input disturbances
D. All of the above - 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
