Page 26 - basic control system
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OBJECTIVE QUESTIONS FOR CHAPTER 1
1. Define the error signal in a control system.
A. The difference between the measured value and the set value
B. The sum of measured value and the set value
C. The ratio of measured value to the set value
D. The ratio of set value to the measured value
2. Which one of the following variables is the desired value of a system in
process control?
A. Process variable C. Manipulated variable
B. Controlled variable D. Setpoint
3. The final control element is positioned by a signal
from the ________.
A. Sensor C. Controller
B. Comparator D. process
4. The feed forward compensation, compensates the effect of disturbance
before it actually disturbs the output.
A. Truth B. False
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