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A plastically deformed metal crystal at low temperature exhibits wavy slip line pattern due to

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Which is the process by which screw dislocation may not leave slip plane? When the more amount of acetylene than oxygen is mixed and burn at tip of the welding torch. The flame generated is called Match the following: Group 1 Group 2 P. Thermit welding 1. Globular metal transfer Q. Arc welding 2. Mechanical energy converted to heat energy R. Welding in solid state 3. Exothermic process S. Friction welding 4. Diffusion bonding Match the following blast furnace reactions with the regions where they take place. (Note that the underlined elements are present in the hot metal and the species in the parenthesis belong to slag phase). P. Fe 3 O 4 + CO = 3FeO + CO 2 1. Hearth Q. C + 0.5 O 2 + CO 2. Tuyer R. y . Fe + c = Fe y c 3. Stack S. C + (CaO) + S = (CaS) + CO 4. Bosh Why natural gas is not used directly as a reducing agent in Midrex process