AER509 Control Systems Practice
Which of the following is an open-loop control system?
●A) Washing machine
●B) Electric iron
●C) Air conditioner
●D) Car's cruise control system
●Answer: B
Which type of control system has feedback?
●A) Open-loop system
●B) Closed-loop system
●C) Both open-loop and closed-loop systems
●D) None of the above
●Answer: B
What is the main advantage of a closed-loop control system over an open-loop control
system?
●A) Simplicity
●B) Better stability
●C) No feedback required
●D) Low cost
●Answer: B
Which of the following represents a system where output is adjusted to achieve a desired
value?
●A) Open-loop system
●B) Feedback control system
●C) Non-linear control system
●D) Time-invariant system
●Answer: B
Which of the following is an example of a continuous-time control system?
●A) A digital thermometer
●B) An analog car speedometer
●C) A digital watch
●D) A traffic light controller
●Answer: B
