Q. In a control system integral error compensation steady state error

  • (A) increases
  • (B) minimizes
  • (C) does not have any effect on
  • (D) any of the above
πŸ’¬ Discuss
βœ… Correct Answer: (B) minimizes

Q. In a control system the output of the controller is given to

  • (A) final control element
  • (B) amplifier
  • (C) comparator
  • (D) sensor
πŸ’¬ Discuss
βœ… Correct Answer: (A) final control element

Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (D) Low-level oscillations

Q. In a system low friction co-efficient facilitates

  • (A) reduced velocity lag error
  • (B) increased velocity lag error
  • (C) increased speed of response
  • (D) reduced time constant of the system
πŸ’¬ Discuss
βœ… Correct Answer: (A) reduced velocity lag error

Q. 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 signal
  • (D) any of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) The system is at rest and no energy is stored in any of its components

Q. In an automatic control system which of the following elements is not used?

  • (A) Error detector
  • (B) Final control element
  • (C) Sensor
  • (D) Oscillator
πŸ’¬ Discuss
βœ… Correct Answer: (D) Oscillator

Q. In an open loop control system

  • (A) Output is independent of control input
  • (B) Output is dependent on control input
  • (C) Only system parameters have effect on the control output
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) Output is independent of control input

Q. In case of type-1 system steady state acceleration is

  • (A) unity
  • (B) infinity
  • (C) zero
  • (D) 10
πŸ’¬ Discuss
βœ… Correct Answer: (B) infinity

Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (A) decrease

Q. In electrical-pneumatic system analogy the current is considered analogous to

  • (A) velocity
  • (B) pressure
  • (C) air flow
  • (D) air flow rate
πŸ’¬ Discuss
βœ… Correct Answer: (D) air flow rate

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