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Firecracker Welding
This is a semi automatic version of SMAW. A specially designed heavy - coated electrode, which can be of any length upto 2 m, is laid on the seam of a grooved butt joint or along the root of a tee joint. It is then clamped down with a water - cooled copper bar heavy square section, which is grooved to accommodate the electrode. The copper bar is nearly as long as the electrode. The bare end is clamped in a holder. The arc is struck at the striking end and the electrode gradually consumes by itself, making the butt or fillet weld of the same length as the electrode. The copper block helps to prevent overheating of the electrode and to maintain intimate contact between the electrode and the joint.
By operation of the distillation columns you are often interested to maintain output despite fluctuations in the composition, ex. feed composition and feed flow. One possible actua
Determine the wire diameter of the inner spring: In a compound helical spring, the inner spring is arranged in and concentric with the outer one, but is 10 mm shorter. The out
Question: A 7.2kVA single phase 50Hz, 480Vrms: 240Vrms transformer can be modelled using the primary referred approximate equivalent circuit shown in Figure 1 below. Fi
full defination
defference between rankine and cornot cycle
Classification Of Welding Processes The classificated depending upon the nature of heat source and its movement resulting in spot, seam or zonal welds; or on the extent of heat
Flow through pipes in series and parallel
Argon - Hydrogen Mixtures Argon - hydrogen mixtures are employed in special cases, such as mechanised welding of light gauge stainless steel tubing, in which the hydrogen do
Drill Bit: This is a drilling tool used in drilling machines. The application of this tool is to make holes. Figure shows drill bit. Figure: Drill Bit
what is the application
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