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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 triangle ABC with vertices A (30,20), B(90,20), C(30,80) is to be scaled by a factor of 0.5 about a point X(50,40). Calculate :- (i) The composite transformation matrix; and
Describe carburetion. What are the basic different air-fuel mixture on which an engine can be operated ? Write a short note on sterling cycle. In an engine working on inlet pres
in fontan circulation that is represented as a circuit
Find out the Moment of Inertia of a triangular area: Find out the Moment of Inertia of a triangular area ABC with base b and height d around its base BC. Therefore or otherwis
Assume the production function is given by the following equation (where a and b are positive constants): Q = aL+bK. What is the marginal rate of technical substitution of labor fo
temperature lapse rate differentiation integration...
(a) Following consideration were recorder during a test on a single cylinder oil engine : Bore = 300 mm; speed =300 r.p.r.; stroke = 450 mm; net break load = 1.5KN;
Relationship between two specific heat ? Sol: dQ = dU + dW; for a perfect gas dQ at constant pressure dU at Constant volume; = mC v dT = mC v (T 2 - T 1 ) dW at
the velocity of a particle moving along x axis is defined by v=kx^3-4x^2+6x where v is in m/s,x in m and k is a constant .if k=2 compute the acceleration when x=2m
applications of parallelogram
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