Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Modifier Activator Collector Frother Modifier Activator Collector Frother ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To produce talcum powder, use Pin mill Ball mill Jet mill Hammer mill Pin mill Ball mill Jet mill Hammer mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the All of these State or manner of application of the crushing force Ultimate strength of the material Elastic constant of the material All of these State or manner of application of the crushing force Ultimate strength of the material Elastic constant of the material ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding None of these Requires more energy Has less capacity Complicates handling & classification of the product None of these Requires more energy Has less capacity Complicates handling & classification of the product 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. Concentrate None of these Middling Tailing Concentrate None of these Middling Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)²p (S/V)f (S/V)p √(S/V)p (S/V)²p (S/V)f (S/V)p √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
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