The below diagram explains how the process works: The gas welding process There are five types of gas welding which are categorized according to what gas is used (not all gas welding methods use the same type of gas). These are butane or propane, hydrogen, MAPP (methylacetylene-propadiene ...
From the bridge rectifier circuit diagram, we can conclude that the flow of current across the load resistor is equal throughout the positive & the negative half cycles. The polarity of the o/p DC signal may be either totally positive otherwise negative. In this case, it is totally positive...
Although the application of c-chart is somewhat limited, compared with p-chart, there are instances in industry where it is very useful e.g. in the control of number of defects in a bus body, an aircraft a T.V. set, a computer, welding defect in a truss etc. The construction of th...
Furthermore, these rectifiers provide the extremely polarized voltage which is required for welding. In such conditions, the supply is essential to control the output current of the circuit. This is accomplished by restoring the diodes using abridge rectifierwhich can carry output voltage that can b...
The type of current and voltagemust be suited to the arc processesconsidered. But also to the position in which welding is to be performed and to the size and kind of electrode used. Figure 1 Figure 1 represents such a diagram for a typicalconstant currentwelder. ...
Welding is a simple and efficient process of joining two materials. Visit BYJU’S - The Learning App to know more about the process of welding and various types of welding.
of plated beam bridges, plate girder bridges are adopted. In such bridges, the depth of the girder from bending and deflection consideration is such that rolled steel joists are not suitable and therefore, the girders are fabricated with plates and angles either by rivetting or by welding. ...
There are many metal joining processes such as welding, brazing, and soldering. The welding process involves the joining of two metals by melting the joining edges using electric heating.Answer and Explanation: Fusion welding is one type of welding in which two similar metals are joined by ...
The fourth type occurs in the final stage of tempering (825 K 100010 000 hr). Little work has been done to distinguish this type from the third type, and therefore little is known about its characteristics. A diagram shows the temperaturetime ranges in which these four types of temper ...
V. Classified by the protection characteristics of the relay 1. Hermetically sealed relays: Use welding or other methods to seal the contacts and coils in the 2. enclosure, isolate them from the surrounding medium, and have a low leakage rate. 2. Enclosed relay: A relay in which the contac...