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METAL TRANSFERThe continuously fed electrode wire is melted in the arc heat and the droplets thus formed at the wire tip are transferred to the weld pool. The way in which material is transferred from the tip of the consumable electrode into weld pool has a significant influence on the overall performance of the process. The various types of metal transfers have been classified int o groups. The basic modes by which metal is transferred from the electrode to the weld pool are short circuiting transfer (dip) and free flight transfer. In free flight transfer an arc is maintained between the electrode and work piece and t he met al is transferred across the arc in the form of droplets. The common free flight modes are globular and spray. These modes of metal transfers are controlled by the various forces that are acting on the droplet. The electromagnetic pinch force and the surface tension force are considered as the primary forces responsible for the various modes of metal transfer in GMAW process.
Q. Define FLARE AND VRU SYSTEM? VRU, HP and LP Flare systems are used to collect normal and emergency releases from the process and recycle or dispose of them in a safe manner.
impartance of moulding sand
Q. Describe the extrution process? The extrusion process, in many cases produces material in an intermediate form for subsequent reprocessing to its final component form. The p
Applicability of value engineering: Usually, all of the initial costs of a project add up to less than 50% of the total life cycle cost
If Battery Discharges Frequently Causes of Problem Remedy Electrolyte specific gravity NG Charging not done fully
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Explain Extension of screw conveyor by hydraulic cylinder "Extension of screw conveyor with the help of linkage arrangement by hydraulic cylinder and hinged joint" Procedur
understanding the scope.
Consideration: 1. From above equation, it is clear that centrifugal tension is not dependent of T1 and T2. It depends upon velocity of the belt. For lower belt speed (that is,
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