81. A cottrel precipitator makes use of the __________ for dusty air cleaning.
82. In a grinding operation, the limiting particle size is the size of the __________ particle in the sample.
83. Vibrating screens have capacity in the range of __________ tons/ft2.mm mesh size.
84. __________ is a cohesive solid.
85. A widely used size reduction equipment for __________ is Bradford breaker.
86. The operating speed of a ball mill should be __________ the critical speed.
87. Ultracentrifuges running at speeds upto 100000 rpm is normally used for the
88. In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing.
89. A compressible cake has the
90. A filter press is
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