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Gas Lenses
Gas lenses are used to provide a laminar flow of shielding gas. All These attachments have a porous barrier diffuser and are fitted around the electrode or collet and remain inside the nozzles. By the gas lenses it is possible to keep longer gap between the nozzle and the work piece and to weld joints with limited accessibility providing adequate shielding.
Q. Material selection by temperature range 750° to 1100°F (400° to 600°C) ? Plain carbon steels are usually limited to a maximum operating temperature of 750°F (400°C). There
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A nozzle of 50 mm. dia. delivers a stream of water that strikes a flat plate which is held normal to the axis of stream. If the issuing jet has a velocity of 15 m/sec., determine:
The pressure and temperature of a diesel cycle at the start are 1 bar and 20C respectively and the compression ratio is 14. The pressure at the end of expansions 2.5 bar. Find perc
#what is porosity in welding is this different from pin hole
Valve Clearance and Tappet Adjustment: Like all metal components the valve expands on heating. Hence the valve clearance is set so that on expansion there is room for the valve to
why constant volume line has more slop tha constant pressure line in T-S diagram
Introduction You are now working as a FEA engineer for a Computer Aided Engineering (CAE) consultancy company called Dantech. This morning, your manager assigned you a new contr
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Q. Why we use Nickel Alloys in welding? Nickel weld metals have high creep-rupture strength but often have lower stress-rupture ductility and lower mechanical and thermal fatig
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