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Q. Which functions used for coating?
• Improves arc stability by providing certain chemical which have this ability, by ionizing the path of arc.• Provides a protective gaseous atmosphere to prevent O2, H2 and N2 pick-up by the molten metal.• Provides a protective slag over hot metal.• Provides flux, which helps to remove oxides and other impurities from the molten weld metal.• Reduces spatter of weld metal- when coating burns off slower than core.• Acts as deoxidizers.• Adds alloying elements.• Increases deposition efficiency.• Slows down the cooling rate of weld (due to protective layer of slag) to prevent hardening.• Coatings are normally insulators of electricity and so permit the use pf electrodes in narrow grooves etc.
Manufacturing Process For Reinforced Plastic Parts Two processes that are open mould and close mould are commonly utilized for manufacture of reinforced parts. Hand layup proce
1. I have a data for displacement versus time ( graph) then I want to get the velocity and acceleration graphs from the displacement.How can I get it?
write the assumption made in derivetion of shear stress produced in circular shaft subjected to torsion
COMPUTER PROGRAMMING LANGUAGES FOR CAPP
Every loaded blade rod is consists of 400 pieces of blades which around 25cm tall. The blasting nozzle vertical height different is just about 10 cm. The nozzle will blast the blad
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