Pole Placement by State Feedback MCQ’s

Control Systems Electronics & Communication Engineering

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Pole Placement by State Feedback”.

1. 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) All of the mentioned

2. In pneumatic control systems the control valve used as final control element converts
a) Pressure signal to electric signal
b) Pressure signal to position change
c) Electric signal to pressure signal
d) Position change to pressure signal

3. ______________ is not a final control element.
a) Control valve
b) Potentiometer
c) Electro-pneumatic converter
d) Servomotor

4. Pressure error can be measured by which of the following?
a) Differential bellows and strain gauge
b) Selsyn
c) Strain gauge
d) Strain gauge and potentiometer

5. The effect of error damping is to
a) Provide larger settling lime
b) Delay the response
c) Reduce steady state error
d) None of the mentioned

6. 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 mentioned

7. Which of the following devices is used for conversion of co-ordinates?
a) Microsyn
b) Selsyn
c) Synchro-resolver
d) Synchro-transformer

8. Technique gives quick transient and stability response
a) Root locus
b) Bode
c) Nyquist
d) Nichols

9. Which of the following is the non-linearity caused by servomotor?
a) Static friction
b) Backlash
c) Saturation
d) None of the mentioned

10. When the initial conditions of a system are specified to be zero it implies that the system is
a) At rest without any energy stored in it
b) Working normally with reference input
c) Working normally with zero reference input
d) At rest but stores energy A

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