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Q. Describe the Types of Gas Welding?
Gas welding involves the use of a gas-fed flame torch to heat the metal work piece and the filler material to create a weld. The gas is generally a mixture of a fuel gas and oxygen to create a clean, hot flame. Many different gases can be used as fuel for gas welding, and electricity is not needed to power the welding system, resulting in a flexible and portable fabrication method. All gas welding techniques require proper safety equipment for the welder and storage of the welding gases.
A rod of 80mm diameter and 10mm length with thermal conductivity 16W/m-deg protrudes from a surface at 160 o C. The rod is exposed to air at 30 o C with convective coefficient of
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Q. Explain the protocol for stress testing? The protocol for stress testing should be structured to include the following: 1) Continuous ECG monitoring. 2) Hard copy ECG
Determine the concurrent forces: Four coplanar concurrent forces act at point and keep it at rest. These are mention in Figure. Determine the forces P and Q. Solution
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