DEPENDING on the rate of heat input. A process with low rates of heat input will result in a large HAZ.The size of HAZ also increases as the speed of the welding process decreases. \({\rm{Size\;of\;HAZ}}\; \propto \frac{1}{{speed\;of\;welding}}\)So, order of welding processes in INCREASING speed isArc welding → SUBMERGED Arc welding → MIG welding → Laser Beam weldingImportant point:Butt welding: Joining of metal by its whole cross section side by side.

"> DEPENDING on the rate of heat input. A process with low rates of heat input will result in a large HAZ.The size of HAZ also increases as the speed of the welding process decreases. \({\rm{Size\;of\;HAZ}}\; \propto \frac{1}{{speed\;of\;welding}}\)So, order of welding processes in INCREASING speed isArc welding → SUBMERGED Arc welding → MIG welding → Laser Beam weldingImportant point:Butt welding: Joining of metal by its whole cross section side by side.

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Two plates, each of 6 mm thickness, are to be butt-welded. Consider the following processes and select the correct sequence in increasing order of size of the heat affected zone.1. Arc welding2. MIG welding3. Laser beam welding4. Submerged arc welding

Current Affairs General Awareness in Current Affairs . 7 months ago

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Heat Affected Zone (HAZ): The area of the base material of metal which is affected by the heat of the welding process. Melting of the base material does not occur here only microstructure is changed.Heat affected zone may range from small to large DEPENDING on the rate of heat input. A process with low rates of heat input will result in a large HAZ.The size of HAZ also increases as the speed of the welding process decreases. \({\rm{Size\;of\;HAZ}}\; \propto \frac{1}{{speed\;of\;welding}}\)So, order of welding processes in INCREASING speed isArc welding → SUBMERGED Arc welding → MIG welding → Laser Beam weldingImportant point:Butt welding: Joining of metal by its whole cross section side by side.

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Posted on 11 Nov 2024, this text provides information on Current Affairs related to General Awareness in Current Affairs. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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