Control Systems

1. What is a feedback loop in control systems?

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

2. What is an open-loop control system?

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

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

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

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

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

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

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

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

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

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

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

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

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