46. The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size )
47. The material is crushed in a gyratory crusher by the action of
48. Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ).
49. Ball mill is used for
50. Basic slag is not ground in
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