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Q. Flanged pressure vessel nozzles?
The Designer is responsible for ensuring that the facings, bolt circle, number of bolts, and size of bolts of vessel nozzles, match the mating piping flanges. Flanges for all flanged pressure vessel nozzles, equal to or smaller than NPS 24, shall meet the requirements of ASME/ANSI.
These are standard carbon, low alloy and austenitic stainless steel flanges of the integral hub, welding neck style, that are dimensionally the same as MSS SP-44 flanges. The materials covered are identical with those in Materials Group 1 and 2 of ASME/ANSI B16.5. Line valves and machinery nozzles may be provided with flanges of MSS SP-44 dimensions. Therefore, vessel nozzle flanges, meeting the dimensions of Series A flanges, may either be necessary or desirable. Series A and Series B flanges are not dimensionally compatible in all sizes.
Stitch Welding This is a variation of spot welding, in which a series of overlapping spot welds are made in the same manner as stitching cloth. Stitch welding may be performed
ES 347 - Thermodynamics Project Assigned: 3/28/2013 Due: 4/25/2013 Problem specification 5 kg of air is contained in a piston-cylinder device, initially at a pressure of 2MPa and a
What is the difference between blowholes & porosity in casting ?
Basic Components of Engine: The major components of the engine and their functions are briefly given hereunder. Figure shows a cut model of motorcycle engine, where various intern
Q. Identification of Defects of coating? All holidays and other coating defects, including without limitation primer blister, excess powder mounds, crazed coating, lifted and u
Q. Define Oxidation Process? Oxidation is defined as a loss of electrons, as when a metal goes from the metallic state to the corroded state. When a metal reacts with oxygen,
Is there a metal that does not contain iron? Ans) Most commercially available aluminum having some other materials, but only accidental traces of iron, if any. For example, Copp
Q. Explain the terms centre of gravity and centroid. Sol. : A point can be found out in a body through which resultant of all such parallel forces acts. This point through
Risks associated with identified hazards can be reduced to a reasonable level through the application of good design principles that are focused on integrating safety into the over
working of 2 sroke petrol engine
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