RTDs are completely passive sensing elements, requiring the…
Any conductor possesses a characteristic called inductance: the…
A damper (otherwise known as a louvre) is a multi-element flow control…
Developed by the Modicon company (the original manufacturer of the…
The final step in treating wastewater before releasing it into the…
“Polyphase” means “many phases,” describing a…
A unique form of technical diagram for describing the abstract…
When I began teaching full-time in 1998, most of what I thought I…
A level switch is one detecting the level of liquid or solid (granules…
Nearly every technical course teaches and tests students on…
A great many chemical composition measurements may be made indirectly…
An important design parameter of a control valve is the position it…
Filled-bulb systems exploit the principle of fluid expansion to…
The following animation shows how the “rotating” magnetic…
A whole class of problem-solving techniques focuses on altering the…
The fundamental principle of electromagnetism is that an electric…
A special type flowmeter suited for powdered or granular solids is the…
Non-dispersive analysis, while newer in discovery than dispersive…
Visualizing the actions of P, I, and D tuning parameters using graphs…
Control valves are supposed to deliver reliable, repeatable control of…
Classical mechanics (often called Newtonian mechanics in honor of…
