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Welding HeadSubmerged arc welding head consists of the wire spool, wire feed system, flux delivery hopper and electrical contact nozzle. The electrode wire is unwound from the spool by the power driven rolls, straightened by a set of pressure rolls and fed through the contact nozzle into the weld pool. The drive for wire feed is from a motor with speed control provided either by means of a gear box or by means of thyristor controls.
Ask question #MiThe steam that leaves the super-heater is expanded from 130bar at 535°C to 25.2bar at 310°C in a high pressure turbine. The steam from the exit of the HP turbine is
Backup Purge Backup purge gas can also be used to protect the under side of the weld and its adjacent base metal surfaces from oxidation on the time of welding . Uniformity
Evaluate the motion of the system: If in above Example, the block A is resting on an inclined plane at 45 o to horizontal as illustrative in Figure, find out the motion of th
When a Plano-convex lens of large radius of curvature is placed on a glass plate with its convex surface, a thin air film of gradually increasing thickness is formed between the up
Ductile mid brittle material: A material that can undergo large permanent deformation in tension, that is, it can be drawn into wires is called as ductile. A material which
Find the Maximum Allowable Size of the Milling Cutter Find the maximum allowable size of the milling cutter if it is to rotate at 65 rpm while the cutting speed is 20 m/min.
Explain the concept of time dilation. Describe experimental verification of time dilation. Explain: (i) Length contraction (ii) Time Dilation in STR What are proper length an
Force system: Defin e Non concurrent force system. Why we find the position of Resultant in Non concurrent force system? Sol.: In Equilibrium of concurrent force syste
crowning of pulley
Cutting Test: Once the sand blasted blade were went through the washing process. Quality Control technician will randomly pick 15 pieces of blade to go for cutting
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