EXAMIANS
The raio, (properller agitator dia/tank dia) is normally taken as
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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
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Cylinderical shell thickness of rotary drier is generally __________ mm.
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Liquid gradient over a tray can be minimised by
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The necessary wall thickness for a metallic storage vessel is a function of the
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In 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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__________ closure is the weakest enclosure for cylindrical vessels.
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The thermal stress in a metallic bar does not depend upon the
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In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is
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The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is
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