Chemical Engineering :: Process Equipment and Plant Design
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Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always
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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.
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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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A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is
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Scale up problem in design based on the similarity concept takes into account __________ similarity.
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__________ closure is the weakest enclosure for cylindrical vessels.
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Which of the following efficiencies can be greater than 100% ?
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