111. The dust collection efficiency of electrostatic precipitator increases with increase in the
112. If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of
113. The minimum baffle height should be
114. Movement of pipeline caused by thermal expansion is taken care by providing
115. What is the slope of the operating line in the stripping section of a distillation column?
116. Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the
117. The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.
118. The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.
119. A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the
120. The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.
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