Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Disk type baffle Flat plate extending across the wall Segmental baffle Helical type baffle Disk type baffle Flat plate extending across the wall Segmental baffle Helical type baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio Low gas velocity Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d2 (d1 + d2)/d1 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d2 (d1 + d2)/d1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 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"). Equal to Three fourth 1.5 times Half Equal to Three fourth 1.5 times Half ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 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. Two Ten Five Twenty Two Ten Five Twenty ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. 6% of I.D. Either A or B, whichever is larger 3 times the thickness Either A or B, whichever is smaller 6% of I.D. Either A or B, whichever is larger 3 times the thickness Either A or B, whichever is smaller ANSWER DOWNLOAD EXAMIANS APP
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