121. The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure.
122. The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always
123. 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
124. Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.
125. Pick out the wrong statement.
126. 25% cut segmental baffle means that the baffle
127. Vertical vessels are not supported by
128. Weep holes provided in the plates of a distillation column
129. Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the
130. A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is
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