Hamad Mechanical Operations 21/09/2020A. Nc = (1/4π). √(g/R1 – R2) B. Nc = (1/2π). √(g/R1 – R2) C. Nc = (1/π). √(g/R1 – R2) D. Nc = (1/2π). √(R1 – R2/g)Related Mcqs:Grinding efficiency of a ball mill is of the order of _______________ percent?A. 1-5 B. 40-50 C. 75-80 D. 90-95...Dispersion of a gas through liquid is done by using a__________________?A. Sparger B. Kneader C. Masticator D. None of these...______________ mill is not a revolving mill ?A. Pebble B. Compartment C. Cage D. Tube...Size reduction of asbestos and mica is done by____________________?A. Hammer mills B. Rod mills C. Gyratory crushers D. Crushing rolls...Mesh indicates the number of holes per_________________?A. Square inch B. Linear inch C. Square foot D. Linear foot...
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