What is a Shuttle Valve? Principle, Advantages, Disadvantages
A shuttle valve is also a kind of double check valve. It allows pressure in a line to be accessed from alternative sources.
How to Read and Understand an Electrical Single Line Diagram?
Learn how to read and understand an electrical single line diagram (SLD) with an example circuit.
How to Calibrate pH Electrode?
The step-by-step procedure described how to calibrate your pH electrode using a standard two-point calibration.
Top US Universities that Offer Online Education
We have prepared our top list of US universities that offer the best online distance learning programs on a variety of disciplines.
What are DOL and RDOL starters? Advantages, Disadvantages
Learn the basics of DOL and RDOL motor starter working principle, advantages, disadvantages, and applications in industries.
Ash Handling System in Thermal Power Plant
Here we discussed the modes of operation of ash handling system in thermal power plant and their interlock logic.
PLC connected to Three Pushbutton Switches
Suppose we have a PLC connected to three pushbutton switches. Sketch a Ladder Diagram program for program example.
Questions on Allen-Bradley MicroLogix 1000 PLC
Suppose we have an Allen-Bradley MicroLogix 1000 PLC and two pressure switches we need to connect to it.
Questions on Resistive Tape Level Sensor
A resistive tape level sensor is a two-wire element immersed in a liquid, which changes resistance as liquid level increases.
What Effect on Hydrostatic Level Transmitter if Liquid Density Changes?
Suppose the density of the liquid within the vessel decreases. What effect will be on hydrostatic level transmitter (LT)?