Q321
Open questionWhich of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?
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Chemical Engineering · all questionsProcess Equipment And Plant Design
Process Equipment And Plant Design
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Q322
Open questionPractical 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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Q323
Open questionPressure drop due to pipe fittings can be estimated by the equation, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of (dimensionless) for 45° elbow and 180° close return bends would be respectively around
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Q324
Open questionMost of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder
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Q325
Open questionSeamless pipe is made
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Q326
Open questionIn 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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Q327
Open questionThe most common standard size of bubble caps used in industrial operation is
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Q328
Open questionThe circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is
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Q329
Open questionThe longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is
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Q330
Open questionIn case of design of a shell and tube heat exchanger,
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Q331
Open questionPick out the wrong statement about routing of fluids in a shell and tube heat exchanger.
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Q332
Open questionPick out the wrong statement pertaining to a shell and tube heat exchanger.
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Q333
Open questionPick out the wrong statement pertaining to shell and tube heat exchanger.
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Q334
Open questionIn case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of
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Q335
Open questionIn a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for
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Q336
Open questionFor laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by
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Q337
Open questionTypical static submergence for bubble cap plate column operating at atmospheric pressure may be around
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Q338
Open questionGenerally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.
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Q339
Open questionLiquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres.
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Q340
Open questionAny shell opening greater than 5 cms for a storage tank must be reinforced for reason of
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