46. In paint industries, blending of light paste is done by using a
47. Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³)
48. Close circuit grinding by a ball mill with air sweeping employs a
49. Which of the following is a pressure filter?
50. __________ mill is normally used for grinding of talc.
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