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Control Systems Practice Test Questions
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Avg score: 70% • Most missed: “An angular motion is referred to as a ____ motion.”

A control system manages, commands, directs, or regulates the behavior of other devices or systems using control loops. It can range from a single home heating controller using a thermostat controlling a domestic boiler to large industrial control systems which are used for controlling processes or machines. They are studied in Control Engineering classes.
 

There are two types of control systems:
Open loop control systems (non-feedback control systems)
Closed loop control systems (feedback control systems)

Control Systems Practice Test Questions
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25 Questions

1. How many types of control systems are there?
2. Which of the following is/are the type(s) of the mechanical system?
3. In the control system designs, it is ____ to implement frequency response methods.
4. Control systems refer to reference inputs as ____.
5. It is said to be encircled if a point lies inside the ____ path.
6. What is/are the advantage(s) of closed-loop control systems?
7. ____ are the three controls on an air conditioner.
8. Described as a ____ control system, a manual control system involves human intervention.
9. An area of the process that is being ____ is called the plant.
10. For plotting on a semilog graph, Bode plots are based on ____ approximations.
11. The ____ in a transfer function represents the frequencies at which the transfer function no longer exists.
12. Using ____ loop control, an error signal is generated when the output signal varies from the reference input signal, and the error signal is fed to the controller to reduce the error.
13. The 1st control system device was invented in the year -
14. ____ refers to the degree to which the measured value is close to the true value.
15. ____ systems are defined by differential equations with variable coefficients that describe the input-output relationship.
16. Control systems must be ____ in order to function properly.
17. Known as ____ motion, this type of motion involves a body rotating around a fixed axis.
18. The system is said to be ____ stable if it is stable within a certain range of values.
19. In the case of ____, the poles or zeros are said to be multiple if they coincide.
20. What is the full form of SISO?
21. It is said to be ____ by a closed path if it lies to the right of a path when traversed in a certain direction.
22. Control actions in a closed loop are determined by ____.
23. Which of the following is/are the example(s) of the open loop control system?
24. Which of the following is/are the type(s) of the physical system?
25. An evaluation of the system's performance in a given time period is the primary purpose of ____ analysis.

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