Hamad Mechanical Operations 25/04/2023 A. Enhanced production rate B. Finer products C. Both A. & B. D. Neither A. nor B. Related Mcqs: Angle of nip of the crushing rolls does not depend upon the_______________?A. Diameter of the rolls B. Speed of the rolls C. Product size D. Feed size... A propeller agitator_______________?A. Produces mainly axial flow B. Is used for mixing high viscosity pastes C. Runs at very slow speed (2 rpm) D. All A., B. and C.... Dispersion of a gas through liquid is done by using a__________________?A. Sparger B. Kneader C. Masticator D. None of these... The controlling resistance in a rotary drum vacuum filter is the ________________ resistance?A. Piping B. Cake C. Filter medium D. None of these... Which of the following equations is Rittinger’s crushing law? (Where P = power required by the machine, m = feed rate, k = a constant, D̅ sa & D̅ sb = volume surface mean diameter of feed & product respectively) ?A. P/m = K/ √Dp B. P/m = K . ln D̅ sa/D̅ sb C. P/m = K . (1/ D̅ sb – 1/D̅ sa) D. None of these...
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