Control Systems MCQs with answers Page - 1

Here, you will find a collection of MCQ questions on Control Systems. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. A good control system has all the following features except

  • (A) good stability
  • (B) slow response
  • (C) good accuracy
  • (D) sufficient power handling capacity

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Q. A differentiator is usually not a part of a control system because it

  • (A) reduces damping
  • (B) reduces the gain margin
  • (C) increases input noise
  • (D) increases error

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Q. A controller, essentially, is a

  • (A) sensor
  • (B) clipper
  • (C) comparator
  • (D) amplifier

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Q. A control system working under unknown random actions is called

  • (A) computer control system
  • (B) digital data system
  • (C) stochastic control system
  • (D) adaptive control system

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Q. A control system with excessive noise, is likely to suffer from

  • (A) saturation in amplifying stages
  • (B) loss of gain
  • (C) vibrations
  • (D) oscillations

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Q. A control system in which the control action is somehow dependent on the output is known as

  • (A) Closed loop system
  • (B) Semiclosed loop system
  • (C) Open system
  • (D) None of the above

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Q. 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

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Q. A closed loop system is distinguished from open loop system by which of the following?

  • (A) Servomechanism
  • (B) Feedback
  • (C) Output pattern
  • (D) Input pattern

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Q. A car is raining at a constant speed of 50 km/h, which of the following is the feedback element for the driver?

  • (A) Clutch
  • (B) Eyes
  • (C) Needle of the speedometer
  • (D) Steering wheel

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Q. Which of the following can be measured by LVDT?

  • (A) Displacement
  • (B) Velocity
  • (C) Acceleration
  • (D) Any of the above

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