MCQs: In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a __________________?
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MCQs: Baffle spacing is generally _________________ the I.D. of the shell ?
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MCQs: The dust collection efficiency of a cyclone separator_________________?
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MCQs: Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always_________________?
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MCQs: In distillation columns, bubble caps are held in place over trays by ________________?
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MCQs: The necessary wall thickness for a metallic storage vessel is a function of the ___________________?
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MCQs: Cylindrical shell thickness of rotary drier is generally _______________ mm?
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MCQs: The length of straight rectangular weir used on cross-flow trays is generally ________________ the column diameter ?
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MCQs: In a shell and tube heat exchanger, the clearance of the tube is generally___________________?
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MCQs: Frame thickness in the plate and frame filter press is normally in the range of ______________ inches?
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MCQs: 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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MCQs: At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure____________________?
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MCQs: In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be_________________?
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MCQs: A/an _______________ is used for changing the direction of a pipeline?
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MCQs: Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about _______________ mm Hg (referred to a 760 mm mercury barometer)?
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MCQs: Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, ζ = yield strength and E = modulus of elasticity) ?
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MCQs: A ‘rupture disc’ is provided in chemical equipments as an accessory meant for ___________________?
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MCQs: The minimum shell thickness for tank ≤ 15 metres diameter is limited to _______________ mm, for reasons of elastic stability?
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MCQs: _____________ shaped roof is the most commonly used roof for cylindrical storage tanks?
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MCQs: Filtration rate is affected by the________________?
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