81. Inside the distillation columns, the
82. If moisture content of solid on dry basis is X, then the same on wet basis is
83. According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, $$\mu $$ = gas viscosity)
84. Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a
85. An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii)
86. The boiling points of pure components of a binary system __________ with increase in total pressure of the system.
87. Humid volume is the total volume in m3 of 1 kg of
88. The cooling effect in a cooling tower can not be increased by
89. The most efficient cooling tower out of the following is
90. Weight of 1 m3 of humid air as compared to 1 m3 of dry air, under the same conditions, is
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