In Figure 17-9, explain why FIC-402B is opening the valve to 100%.
What will be an ideal response?
Tank-402 typically operates at 60 psig. As Tk-402 runs out of natural gas the pressure begins to drop. The control valve opens to allow more flow as the controller compares the set point to the process variable.
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Liquid waste collected in the bladder is called urine
Indicate whether the statement is true or false.
Why don't high-strength, high-reliability, extremely critical piping systems use welder-fabricated fittings??
What will be an ideal response?
A ________ measures electrical consumption in more detail than a conventional kWh meter and has the ability to communicate that information back to the local electric utility for monitoring and billing purposes.
a. true RMS meter b. voltage tester c. voltmeter d. smart meter