Activated Carbon Air Filters
If you use an air purification system, or are shopping for one, you may be familiar with activated carbon filters....
Practice
What is Pressure Switch ?
A pressure switch is a device that makes electrical contact (opening or closing) when a preset liquid or gas pressure...
Super Heat and Subcooling
What is Super-Heat? Superheat refers to heating a gas above its liquid boiling point. E.g; water boils at 100 °C...
Types of Heat Transfer
Types of Heat Transfer: - There are three basic modes of heat transfer; Conduction, Convection and Radiation. 1. Conduction It...
AC, DC , EC Motor Definitions and Comparisons
AC (Alternating Current) Motors The shaft rotation speed is not constant (asynchronous) motors consist of two basic components, the stator...
