Chemical Engineering :: Process Equipment and Plant Design
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Needle valves are generally not used for
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Height equivalent to a theoretical plate (HETP) is the height of packing that will give the same separation as one theoretical plate in gas-liquid mass transfer operations like distillation, absorption/stripping and humidification/dehumidification. HETP which is experimentally determined, depends upon the
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Pick out the wrong statement.
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With increase in gas flow rate to fabric surface area ratio (Nm3/hr/m2 fabric surface area), the size & the cost of a bag filter
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A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the
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Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the
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Which of the following is used to set the diameter of the distillation column ?
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Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method
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The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the
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In a shell and tube heat exchanger, tube side __________ of the mass velocity.
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A.
Safety valves are provided in heat exchangers for removal of non-conden-sables.
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B.
Liquid metals and dowtherm are used for very high temperature heating.
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C.
In a shell and tube heat exchanger, high pressure fluid is generally routed through the tube.
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D.
A loop seal or U-seal is provided in a vertical condenser sub-cooler to prevent quick draining of the condensate.
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