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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.
Stroke and Clearance Volume: Stroke The distance traveled by piston from the topmost positions of it (also called Top dead centre TDC ), to its bottom most position (or
write short note on''coefficient of insensitiveness''of governors.
Q. Cold service insulation on pipe? Factory fabricated sectional pipe insulation shall be applied in staggered joint construction. On multiple layer construction, all joints sh
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Stainless Steel Electrodes A variety of stainless steel electrodes are now being manufactured to produce weld metal similar to composition of most base metals. However, the analy
Data given for gear problem T P = 30 TG = 80 φ = 20o m = 12 mm Addendum = 10 mm then determine the length of path of contact, length of Arc of contact and contact Ratio.
Objective: After studying tools and equipment, you should be able to list various tools, measuring equipment required in a motorcycle workshop, and identify and use ap
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The following observations were made during a tensile test on mild steel specimen 60 mm in diameter and X mm long. Elongation with 50 KN load (within the limit of proportionality)
Match plate pattern These are extensions of the previous type. Here the cope and drag patterns along with the gating and the risering are mounted on a single matching metal or
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