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FLUX FEEDING & RECOVERY SYSTEMThe flux is fed by gravity from the flux delivery hopper mounted on the welding head through a tube into the welding zone. Flux feeding is normally effected through gravity and in some cases by pneumatic feeding systems in automatic machines. The conveyor flux feed tube is also provided with a stop valve to control the flow of the flux. This tube is always kept ahead of the contact tube to ensure adequate supply of flux ahead of the arc.A pressurised system is used for the recovery of the flux. This system sucks the unmelted flux from the weld puddle for reuse. It is important that the flux recovery be carried out after the weld pool has completely solidified.
Slab hanging: Three similar uniform slabs each having length '2 a ' are resting on edge of table as shown in the figure given below. If each slab is overhung by the maximum
why there is heat is not completely converted into work in ideal case?
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Plate clutch warpage: Place plate clutch on surface plate and check for warpage. Ensure that0.20 mm feeler gauge does not slide freely.
Over-Hanging and Cantilever Beam: Over-Hanging Beam: The beams on which one end or both ends are overhang are called as overhanging beam. 3. Cantilever Beam:
lame''s theorem
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Draw BCC structure and determine its number of atoms per unit cell, co-ordination number and highest edgeradius relation. Draw FCC structure and determine its number of atoms pe
Q. Define Current for electrical resistance welding? - With other parameters kept constant, the temperature in resistance welding is regulated by controlling the magnitude a
Q. Illustrate process of Radiographic Examination? Radiographic examination of welded joints shall be performed when required by the Code or additionally when specified in this
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