Control System Electrical Engineering MCQ with Answers - Set 03 - ObjectiveBooks

Control System Electrical Engineering MCQ with Answers - Set 03

Practice Test: Question Set - 03


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) Any of the above

2. Which of the following is the nonlinearity caused by servomotor?
    (A) Static friction
    (B) Backlash
    (C) Saturation
    (D) None of the above

3. _________ directly converts temperature into voltage.
    (A) Thermocouple
    (B) Potentiometer
    (C) Gear train
    (D) LVDT

4. Which of the following is exhibited by Root locus diagrams?
    (A) The poles of the transfer function for a set of parameter values
    (B) The bandwidth of the system
    (C) The response of a system to a step input
    (D) The frequency response of a system

5. Regenerative feedback implies feedback with
    (A) Oscillations
    (B) Step input
    (C) Negative sign
    (D) Positive sign

6. 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

7. In a system zero initial condition means that
    (A) The system is at rest and no energy is stored in any of its components
    (B) The system is working with zero stored energy
    (C) The system is working with zero reference signals
    (D) None of the above

8. 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

9. Technique gives quick transient and stability response
    (A) Root locus
    (B) Bode
    (C) Nyquist
    (D) Nichols

10. The first order control system, which is well designed, has a
    (A) Small bandwidth
    (B) Negative time constant
    (C) Large negative transfer function pole
    (D) None of the above

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