111. Which of the following is a batch sedimentation equipment?
112. The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.
113. The main size reduction operation in ultrafine grinders is
114. Which of the following is not accomplished by agitation of liquids in agitators?
115. __________ centrifuge is the most suitable for separation of non-friable crystals.
116. The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration and s = particle size)
117. The material is crushed in a gyratory crusher by the action of
118. Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm << Rc) is proportional to __________ and the cycle time (where, $$\mu $$ = filtrate viscosity, Rm = filter medium resistance, Rc = cake resistance ).
119. Ball mill is used for
120. Basic slag is not ground in
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