Process Equipment & Plant Design Mcqs for Chemical

Q.  The minimum shell thickness for tank ≤ 15 metres diameter is limited to _______________ mm, for reasons of elastic stability?

a. 2
b. 5
c. 10
d. 15


ANSWER: See Answer
 
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MCQs:  The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
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Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
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Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Thin spherical shells subjected to internal pressure, develop ______________ stresses?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A cylindrical pressure vessel of volume 6 πm3 has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm2 and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The ratio of down take area to cross-sectional area of the tube, for calandria type evaporator ranges from_________________?
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MCQs:  Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is _____________ the longitudinal stress?
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MCQs:  For turbine agitator, the impeller diameter is about_________________?
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MCQs:  Commercial packed scrubbers are normally designed for a pressure drop range of ______________ mm water column per metre of packed height?
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MCQs:  The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
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Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to _____________________?
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MCQs:  The most common standard size of bubble caps used in industrial operation is___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Heat transfer co-efficient, hG(Kcal/hr.m2 .°C) and mass velocity of air, G (kg/hr.m2 ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to ____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  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_______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts