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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.
Explain Asphalt paving machine In the laying of asphalt pavement roadways, it is common practice to utilize Floating screed type paving machines. These machines typically inclu
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WELDING ARC PHYSICS Electric arc as an intense source of heat is employed in welding of materials. In the field of welding techniques, arc welding processes constitute a major po
For an automotive component of your choice that is traditionally metallic, review how it could be re-engineered as a composite? How factors such as fibre & matrix type, fibre volum
Explain about the eccentrically loaded footings. ECCENTRICALLY LOADED FOOTINGS When footings have overturning moments and axial loads, the base pressure under the footing wi
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A single plate clutch, effective on both sides is needed to transmit 25 KW at 3000 r.p.m. Calculate the outer and inner diameters of frictional surface if the coefficient of fricti
The open square tube is subjected to the torque T= DEF Nm as shown in Fig Q2. The tube has the length 1m and wall thickness 5mm. a) Calculate the shear stress and angle of
porter governor
Machining Processes In machining processes, also known as Metal cutting or chip forming processes, material is removed from a work piece to get the final shape of the product.
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