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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.
why 4R kinematic chain do not form different mechanisms?
Types of springs
1) State five factors that must be considered when choosing a material. Discuss the importance to the engineer of each of these factors. 2) An engineer is planning to design a s
Engine oil level and viscosity : Ensure that the engine oil level is maintained till the upper mark on the gauge oil level. Check engine oil viscosity. Oil should not be abnormall
compressor’s volumetric efficiency can also depend on the compressor’s ratio.
Define the Adjustable auger mechanisms They improved mounting arrangement for the auger and auger drive mechanism of a floating screed type asphalt paver. And they provide actu
Q. Calculation of seismic response loads? The seismic design requirements and the specification of criteria variables for the calculation of seismic response loads for the desi
Q. What is Mock-up Testing? Tube to all tubesheet weld tests shall be provided as described below. Mock-up of 10 tubes about 305 mm (12") long are welded to a portion of a t
Explain Objectives of Radial drill machine There are many objectives such like, 1. With the help of angle drill machine, an angle hole can be produced at any angle. 2.
Example of Wedge friction: T wo blocks A and B are employed to raise load of 2000 N resting on another block C by the application of force P as shown in the figure g
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