Valve Packing | Types of Valve Packing
There are so many types of control valve packing materials are available in the market. The selection of control valve stem packing is often based
What is a Ball Valve? Parts, Types , Applications, & Advantages
A ball valve consists of the valve body with a rotating ball to control flow. A ball valve as a throttling control device ideally uses
Spring and Diaphragm Pneumatic Actuator
Spring and diaphragm pneumatic actuator has a diaphragm, spring, and stem as its main parts. The air pushes the diaphragm & spring compresses. Further, the
What is Leakage Flux and Fringing in Magnetic Circuit ?
Leakage flux is the flux that leaks from the magnetic circuit. All the magnetic flux produced does not flow in the magnetic circuit, and some
Difference Between Primary Cell and Secondary Cell
The main difference between a primary and secondary cell is that the primary cell is not rechargeable whereas a secondary cell is rechargeable. Primary cell
What is a Hydraulic Actuator?
Hydraulic actuators are most suitable for applications that require a large amount of motive force for valve operation. On the other hand, the pneumatic valve
Electrical Conductivity | Definition, Symbol, Formula, Unit
What is Electrical Conductivity? Electrical conductivity is the property of the material that allows electric current to pass through it. In other words, electrical conductivity
Electrical Resistivity | Definition, Formula, Symbol, Units
What is Electrical Resistivity? Electrical resistivity is the electrical resistance of a specific specimen of the material of unit length and unit cross-sectional area. The
Factors Affecting the Resistivity of Electrical Materials
The factors like temperature, alloying, cold work, age hardening & mechanical stress affect the resistivity of electrical materials. In this post, we will discuss the
Electric Phase or Line Tester – Its Construction & Working
A phase or line tester is an electrical testing device used to detect the presence of voltage in the electrical circuit. For maintenance, troubleshooting, and