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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.
work of combination die
A force F(t) is suddenly applied to a mass m which is supported by a spring with a constant stiffness ‘K'. After a short period of time T, the force is suddenly removed. In the mea
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Explain the Base of radial drilling machine The base of the drilling machine handles the entire machine and when bolted to the floor, gives for vibration-free operation and bes
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How we could build the working model of hartnell governor?
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