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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.
Q. What is Air Intakes? Air is drawn from the atmosphere for a variety of process and equipment uses, including: • Combustion air (fired heaters, boilers, gas turbines, int
Determine the theoretical COP for a CO 2 machine working between the temperature range of 25 O C and -5 O C. the dryness fraction of CO 2 gas during the suction stroke is 0.6. fo
law of static friction
(a) Show by use of Buckingham's Pi-Theorem that the velocity through an orifice is given by V = √2gH f D/H , M/ΡVH , σ/ΡV 2 H . Where H is the head causing flow, D is the diame
What do you known by Investment casting ? What are main materials used for building the investment pattern ?
Plate clutch lifter bolts for even tightening : Reset clutch assembly using plate lifter clutch alignment tool.
which are the different types of molding sands?explain each
Q. Sewage Treatment? Unless located in a metropolitan area, it is common for plants to have sewage treatment facilities for disposal of sewage and grey water generated in the p
Q. Patching touch up stick? Pipe requiring limited coating repair resulting from scars, slivers, holidays, etc. shall be repaired by an OWNER approved patching system. The amou
Internal Parts of boiler: P r essu r e Gauge : For indicating steam pressure W ater Level Indicator : for indicating water level. Steam Stop Valve : Permits fl
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