EXAMIANS
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.
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Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8").
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The value of fouling factor depends upon the
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The dust collection efficiency of a cyclone separator
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For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.
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In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a
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__________ closure is the weakest enclosure for cylindrical vessels.
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In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be
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Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.
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In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by __________ times the hole diameter.
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