In a cylinderical vessel subjected to internal pressure, the longitudinal stress and the circumferential stress, are related by
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Chemical Engineering · all questionsProcess Equipment And Plant Design
Process Equipment And Plant Design
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A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.
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A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.
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Vapor velocity in a distillation column for non-foaming mixture is in the range of __________ times the flooding velocity.
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The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.
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Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter.
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The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure.
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Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.
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Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress.
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The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.
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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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For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.
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Baffle width is normally taken as __________ times the tank diameter.
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In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.
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In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5 - 10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.
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The equivalent diameter for pressure drop is __________ that for heat transfer.
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Baffle spacing is generally __________ the I.D. of the shell.
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In a shell and tube heat exchanger, tube side __________ of the mass velocity.
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In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.
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