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SHIELDING GASES
Shielding gas is directed by the torch to the arc and weld pool to protect the electrode and the molten weld metal from atmospheric contamination.
Argon and helium or mixtures of the two are the most common types of inert gas used for the shielding. Argon hydrogen mixtures are used for special applications.
Matter, particle and body: Matter is anything which occupies space, possesses mass provides resistance to any stress, example Iron, air, stone, Water. A body of negligible
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Welding transformer The resistance welding transformers step down the line tune of 2 to 20 V. The primary is connected to the line supply and is made from edge bent copper stri
diffrence between actual and idealactual vapour compression cycle
Q. Overview of Project Phases? Conceptual Engineering Phase The purpose of this phase of work is to develop the Client's proposal to a level of detail adequate to determin
Define Specific Volume (v) It is illustrated as volume occupied by the unit mass of the system. Its unit is m 3 /kg. Certain volume is reciprocal of density. ν = v/m; m 3 /k
Write down short notes on : (i) Dynamometer and Brakes. (ii) Transmission Dynamometer and Absorption Dynamometer. (iii) Epicyclic Gear Train Dynamometers.
explain fixed support
Have you ever been sit on a flight? Have you ever think how those gigantic machines are developed ? Aerospace engineering is just the place where you require to be. Aerospace engin
Plate shift drum stopper bolt and arm comp Shift drum stopper : Ensure that the plate shift drum bolt is tight and in arm shift drum stopper assembly, check stopper arm bolt for to
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