Electrical

Projection welding Projection welding is a resistance welding process that produces coalescence by the heat obtained from the resistance to...

Spot welding is the most widely used form of resistance welding.It is characterized by low cost, speed and dependability making...

The Methods for Striking the Arc are as follows (i) H.T. strike. In this method a constant air gap is...

When current carrying conductor is wound on the soft iron piece then a circulating current is produced in it by...

This is an improved form of direct core type induction furnace. This furnace removes all the defects mentioned in induction...

The working principle of coreless furnace same as that of core type furnace.The principle is based on Faraday's law electromagnetic...

The induction heating works on the principle of transformer action.The transformer working principle is based on the Faraday's law of...

In the ordinary resistance furnace the heat is transferred from heating elements to the charge partly by radiation and partly...

1) high specific resistivity : The resistivity of material should be high so that a small length of wire may...

Low temperature heating chamber with provision for ventilation is termed as "oven".Resistance ovens  are used for drying and baking potteries,...