A. sensor
B. clipper
C. comparator
D. amplifier
Related Mcqs:
- In a control system the output of the controller is given to_____________?
A. final control element
B. amplifier
C. comparator
D. sensor
F. none of the above - Which of the following is the definition of proportional band of a controller ?
A. The range of air output as measured variable varies from maximum to minimum
B. The range of measured variables from set value
C. The range of measured variables through which the air output changes from maximum to minimum
D. Any of the above
F. None of the above - In closed loop control system, with positive value of feedback gain the overall gain of the system will______________?
A. decrease
B. increase
C. be unaffected
D. any of the above - Which of the following devices are commonly used as error detectors in instruments ?
A. Vernistats
B. Microsyns
C. Resolvers
D. Any of the above - As a result of introduction of negative feedback which of the following will not decrease ?
A. Band width
B. Overall gain
C. Distortion
D. Instability - In electrical-pneumatic system analogy the current is considered analogous to_____________?
A. velocity
B. pressure
C. air flow
D. air flow rate - signal will become zero when the feedback signal and reference signs are equal?
A. Input
B. Actuating
C. Feedback
D. Reference - 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 - The effect of error damping is to______________?
A. provide larger settling lime
B. delay the response
C. reduce steady state error
D. any of the above
F. none of the above - ____________technique is not applicable to nonlinear system ?
A. Nyquist Criterion
B. Quasi linearization
C. Functional analysis
D. Phase-plane representation
