q define gas weldingmetal joining process in
Q. Define Gas Welding?
Metal joining process in which the ends of pieces to be joined are heated at their interface by producing coalescence with one or more gas flames (such as oxygen and acetylene), with or without the use of a filler metal.
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q what is coated electrodethese types of electrodes are prepared by coating of flux on metal wire due to arc metal electrode melts and used as filler
q describe the selection of elctrodesthe selection of a proper electrode for electric arc welding is very important to obtain a sound welded joint of
q what is electrode coatingsbullslag forming ingredients asbestos mica silica fluorspar titanium dioxide iron oxide magnesium carbonate calcium
q which functions used for coatingbullimproves arc stability by providing certain chemical which have this ability by ionizing the path of
q define gas weldingmetal joining process in which the ends of pieces to be joined are heated at their interface by producing coalescence with one or
q describe the types of gas weldinggas welding involves the use of a gas-fed flame torch to heat the metal work piece and the filler material to
q what is mapp gas weldingmethyl acetylene-propadiene-petroleum m inert than other gas mixtures making it safer for use and store mapp can also be
q define heat for electrical resistance weldingthe heat h for electrical resistance welding is generated by passing a large electrical current of
q define current for electrical resistance welding- with other parameters kept constant the temperature in resistance welding is regulated by
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