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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.
What is the amount of air is supplied to engine via turbochargers and how their sizes vary from engine to engine ?
Use the graphics and the equation to define the term principal stress and principal planes.
(a) How are the cutting fluids classified ? Explain every class with a couple of lines. (b) A carbide cutting tool has tool life exponent n = 0.27. It gives a tool life of 60 mi
Evaluate the magnitude, direction and position of the resultant of the system of forces (using vector method) shown in figure below.
PRE HEAT INTERPASS TEMP. REQUIREMENTS FOR FILLER METALS The preheat and inter pass temperature must be sufficient to prevent the cracking.Previous Experience has shown that t
(a) Show that two statements of Second Law of thermodynamics are similar to each other. (b) A house that was heated by electric resistance heater consumed 1200 KWh of electric e
Like&unlike forces
how does catalytic ignition operate
Q. The area of the hysteresis loop of a given magnetic material is 50cm 2 with the two axes scaled as 1cm = 20AT and 1cm = 50mWb, for 50Hz frequency find the total hysteresis
Determine the Loss of Information During Exchange in IGES Loss of Information During Exchange : Information would inevitably be lost when information is passed between two CAD
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