Control Systems

1. What is a feedback loop in control systems?

A) Turning off the system power
B) Using manual controls
C) Process where the output of a system is returned to the input to regulate the system
D) Connecting multiple control systems together

2. What is an open-loop control system?

A) Control system with automatic feedback
B) Control system without feedback
C) Control system with manual feedback
D) Control system with multiple inputs

3. Which of the following terms describes the ability of a control system to return to a desired equilibrium state after a disturbance?

A) Responsiveness
B) Stability
C) Sensitivity
D) Accuracy

4. What is the purpose of a sensor in a control system?

A) To process mathematical calculations
B) To regulate power supply
C) To measure and provide feedback on system parameters
D) To generate control signals

5. What is the Laplace transform used for in control systems?

A) To convert analog signals to digital signals
B) To measure signal amplitude
C) To analyze and solve differential equations in the frequency domain
D) To generate random numbers

6. What is the concept of hysteresis in control systems?

A) Sudden changes in system behavior
B) Output oscillations at high frequencies
C) Delay or lag in a system's response to changes in input
D) Noise in system signals

7. In a control system, what is meant by robustness?

A) The ability of a system to maintain performance in the presence of uncertainties or disturbances
B) The system's ability to respond quickly
C) The power consumption of the system
D) The accuracy of the system's sensors

8. What does the settling time of a control system refer to?

A) Time taken for the system to stabilize
B) Time taken for the system to respond to a disturbance
C) Time taken for the system output to reach and remain within a specified range of the desired value
D) Time taken for the system to start up

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