Automatic Control Systems MCQ

Automatic Control Systems MCQ Questions

• 1. What is a stepper motor?
• 2. When a unit step voltage drives a lag network the output
• 3. Bellows converts
• 4. Stepper motors find applications in printers.
• 5. in control systems the magnitude of error voltage ..........
• 6. Usually, What is the current rating of dc tachogenerator?
• 7. Does Lag compensation increase the bandwidth of the system?
• 8. What are the most commonly used devices for differencing and amplification, in control systems?
• 9. In a second order system ωn = 10 rad/sec and ζ = 0.1, then find the ωd =?
• 10. Which of the following device is used for providing rate feedback voltage in position control system?
• 11. The relative stability of a system is given by which of the followings?
• 12. Transport lag usually exists in ............
• 13. The entire damping comes from ............ in the field controlled motor.
• 14. Integral control action
• 15. A system is highly oscillatory if gain margin is close to 1 or phase margin is zero.
• 16. Which of the following sensor is generally used in incremental optical encoder?
• 17. Magnetic amplifier is used for .............
• 18. Which of the following control action can never be used alone?
• 19. Robotic manipulator arms mostly use
• 20. Mechanical impedance is the ratio of