Questions
The following are some questions to test your understanding of this chapter. Ensure you have read and understood the topics in this chapter before attempting the questions:
- In a/an ____________ process control, the output does not change the control action.
- In a/an ___________ process control, the output has effect on the control action.
- In a/an_____________ control, disruption is measured and corrective action is taken to correct any errors before they reach the system.
- A _______________ is a device that converts a signal produced by a sensor into a standard signal (4 to 20 mA, 0 to 10 V, or 3 to 15 psi) applicable in process control.
- ________________ can be referred to as the target value of the process variable.
- ________________ is the difference between the process variable or measured value and the set point.
- The devices that the controller operates to keep the process variable at a setpoint are called _________________.
- ISA is an...