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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.
Q. Combustion Chamber and Radiant Section? The combustion chamber and the radiant heat transfer section of the Steam Generators shall be a horizontal, multiple pass arrangement
Example of Equilibrium: Express in terms of θ, β and W the force T necessary to hold weight in equilibrium as shown in the figure given below. Also derive an expression f
What are the capabilities of STEP Industry-Developed STEP Capabilities AP-203, Configuration Control for 3D Design of Mechanical Parts and Assemblies, provides a very robust
Q. Explain about Napthenic Acid Corrosion? Some crude oils contain napthenic acids, which, at elevated temperatures, may contribute to more active corrosion with or without the
limitations of first law of thermodynamics: There are some limitations of First Law of Thermodynamics. 1. When a closed system undergoes thermodynamic cycle, the average he
what is a micrometer
(a) Can you explain limitations of Euler's theory (b) Derive a mathematical expression to determine the crippling load of a column with on end fixed and other end hinged (c)
If "o" ring is found to be leaking or oil seal is found to be leaking check as mentioned: If "O" ring found to be leaking change "O" rings. If oil seal found to be leaking check o
Applications of capp
Four Stroke Engine - thermodynamics: Figure given below shows the working of a four stroke engine. During suction stroke only air (in case of diesel engine) or air with petrol
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