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SHIELDING GASES
Shielding gas is directed by the torch to the arc and weld pool to protect the electrode and the molten weld metal from atmospheric contamination.
Argon and helium or mixtures of the two are the most common types of inert gas used for the shielding. Argon hydrogen mixtures are used for special applications.
A cycle stream power plant is to be designed for stream temperature and turbine 350
EFFECT OF PROCESS PARAMETERS High voltage gives high velocities in the electron beams. The mutual repulsion effects in the constituent electrons will be less marked at high vel
Q. Working of Burner Assembly in steam generators? The Steam Generators shall be equipped with a packaged burner assembly consisting of a burner, combustion air fan, ductwork,
Theore m of perpendicular axis It states that if I X X and I Y Y be the M.I. of plane section about the two mutually perpendicular axes meeting at a point. Th
What entropy ganeration
A pump is used to deliver discharge of 0.05 m 3 /s from a river to a storage reservoir. The system consists of 500 m of 0.15 m cast iron pipe with a 90 o bend with a rad
Determine the shear stress in each section - cells: In Figure, the mean dimensions of the two cells are 100 mm × 50 mm and 50 mm square. t 1 = 3 mm, t 2 = 6 mm,
Force on String: A string ABCD , attached to the two fixed points A and D has two weight of 1000N each attached to it at points B and C . The weights rest with portio
Obtain the closed loop transfer function of the system shown:
Follow board pattern This type of pattern is adopted for those castings where there are some portions which are structurally weak and if not supported properly are likely to br
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