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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.
Q. Design the Nozzle Connections ? Nozzle design shall be such that if the actual combined thickness of the shell or head and reinforcing pad exceeds 50 mm, either integrally r
Interesting history of IGES: In the year of 1979, events took place that catalyzed the CAD vendor and user community to make the first national standard for CAD data exchange.
State the four classes of engineering materials 3 (b) Identify the class which each of the following materials belong to. Present your answer in table form Silicone, concrete, chro
An aircraft moving with speed of 1200 Km/hr, uses simple air refrigeration cycle for air conditioning. The ambient temperature and pressure are 0.35 bar and - 10 o C respectively.
Potential energy (PE) The energy possessed by body or system by virtue of its position above the datum level. The work done is because of its falling on earth's surface. Po
Frustum of cone
What are the conditions where combined footings used? Two conditions in which it is used are as: a. When an exterior column is immediately adjacent to a property or mechanic
Determine the velocity in a Moving Frame of Reference: As illustrated in Figure, a ship A moves with a velocity v A = 40 km/hour whereas ship B moves with a velocity of v B
what is boiler ? what is hard & soft water? how can we convert raw water into soft water?
The suspension system of a car is modelled as having an effective stiffness of 5x10 6 (N/m) and an effective mass of 750 (kg). The car is travelling over a road with bumps that ca
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