EXAMIANS
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)
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The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.
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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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In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .
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The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from
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Wind load consideration in the design of a support can be neglected, when the vessel is
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In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)
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In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.
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Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to
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Lap joints are preferred for plates having thickness __________ mm.
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