Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 2.76 0.5 1 0.66 2.76 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To get a fine talc powder from its granules, the equipment used is Roller crusher Ball mill Jaw crusher Gyratory crusher Roller crusher Ball mill Jaw crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt. Speed Thickness Length None of these Speed Thickness Length None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dispersion of a gas through liquid is done by using a Kneader Sparger None of these Masticator Kneader Sparger None of these Masticator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Tailing Middling None of these Concentrate Tailing Middling None of these Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 35 85 70 50 35 85 70 50 ANSWER DOWNLOAD EXAMIANS APP
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