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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.
Q. Soil conditions for plant layout? Soil conditions affect the foundation requirements, drainage, type of substructure used and may limit the size and shape of the facility. T
Advantage of flash butt welding 1. Higher weld strength 2. Higher production rate 3. Better heat concentration 4. Simple weld surface preparation 5. Wide range of m
Find out the effort required to run this machine: The efficiency of a machine is 75% while an effort of 20 N is required to lift a load of 160 N. Compute the velocity ratio an
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A rigid bar ABCD is hinged at A and supported by a bronze rod, 2m long, and a steel rod 1m long as shown in figure A load of 80 KN is applied at end B. Determine the stresses in ea
a) What are major kinds of cutting tools used for machining of metals? b) What important role the chip breakers play during machining of metals? c) Write four important requi
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