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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.
A jet of water moving at 8 m/sec. impinges on a concave-shaped vane to deflect the jet through 120 o when stationary. If the vane is moving at 5 m/sec., determine the angle of jet
Laws of motion
Q. Design Temporary Storage? It is sometimes acceptable to store drums temporarily on spill containment pallets. Each pallet should be capable of capturing the contents of at l
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Spray Transfer In a gas shield of argon or argon rich mixture [i.e., Ar+CO 2 gas mixture containing more than 80 % argon] the metal transfer changes from globular to spray typ
What are the different theories of failure under static load, explain briefly? The major theories of failure of a member subjected to bi-axial stress are as below: > Maximu
Reduce expressions for the hydrostatic center and force of pressure in case of an inclined plane surface submerged in a fluid.
Compute the intensity of normal stress: A uniform steel bar of 2 cm × 2 cm area of cross section is subjected to axial pull of 40000 kg. Compute the intensity of normal stres
For the angle of projection when the range is equal to distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection will
Determine minimum value of weigh to cause motion: Determine minimum value of weight W required to cause motion of block, which rests on a horizontal plane. The block weighs 3
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