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NUCLEAR APPLICATIONS OF ELECTRON BEAM WELDING
Electron beam has been applied to the fabrication of fuel elements for pressurised water reactors and the distinct advantages are:Vacuum environment prevents contamination of the weld joint and ensures that the weld metal possesses good corrosion resistance & mechanical properties. High concentration of weld heat, the concentration of thermal energy is an important advantage of EBW of plate t ype fuel element s. High concentration of heat reduces shrinkage and thermal distortion for example, in fuel elements welding, total transverse shrinkage weld seam is only 0:02 mm to 0:04 mm for electron beam welds. Complex welded structures of molybdenum are being EB welded.
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Determine the enhance in volume of the vessel: A thin spherical vessel of diameter 800 mm and thickness 6 mm is filled through a liquid at an internal pressure of 1.5 N/mm 2 .
Parallelogram law of forces: The law of parallelogram is used to determine the resultant of two forces acting at the point of a rigid body in plane and is inclined to each o
Q. What is thermoplastic plastics ? These plastic soften under heat, harden on cooling, and can be resoften under heat. Thus, they retain their fusibility, solubility, an
what is MIPLAN system
Ancillary Railway Structures: Overhead Transmission Lines When the line is electrified, the electric loco has to pick up the electric current from a cable that runs
(a) What are the types of material used for making spanners? What are the uses of spanners? (b) Write down the uses of following tools and make neat sketches of the same : (i
Brazing is a technique of joining two similar of dissimilar metal pieces together by heating the surfaces and by using a non-ferrous filler metal having its melting point above 42
Find stress intensity factor - thick cylinder: A thick cylinder of r i = 10 mm, r 0 = 70 mm carried equal and symmetric radial cracks 6 mm long on opposite sides of inner su
Q. Application of cold service insulation? Cold insulation shall be installed specifically in accordance with the Manufacturer's recommendations, and generally as outlined belo
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