πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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
πŸ“Š Control Systems
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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