Any device used as reference for calibration should be traceable to _________.

Closed-loop process control systems are more expensive and complex than open loop systems.

Manual open loop control systems are used when there is rarely a need to adjust the setting of the valve.

What is the location of the device indicated by the instrument tag shown below? l2q6.png

Most process meters today have a ________ display.

What is the function of the device indicated by the instrument tag shown below? l2q12.png

The symbol shown below indicates a(n) ________ pump. l3q5.png

The ________ industry uses process equipment to precisely control the blending of chemicals used to make drugs.

Automatic control is not very accurate or reliable.

Instrument tags are symbols in the process documentation that contain information about each device in the process.