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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.
To design a cantilevered truss to support the loads shown in the figures, two layouts are proposed as shown in Figs. A and B. All truss members are steel with allowable stress of 2
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Illustrate the following terms:- a) Mechanism and Inversion b) Slip and Creep of belt drive c) Centrifugal Tension of belt drive d) Initial Tension of belt drive
Scope of thermodynamics in thermal engineering Sol: Thermal engineering is a very important associate branch of mechanical, metallurgical, aerospace, chemical, marine, auto
Q. Describe about Austenitic stainless steels? Austenitic stainless steels (300 series) generally exhibit very good corrosion resistance in sulphuric acid service for low conce
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What is the difference between hot and cold working
The end gear is subjected to the loading given in the picture below. If the bearings A & B exerts only Z & Y component of forces on the shaft, Verify the equilibrium torque T at ge
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