Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Classification Jigging Tabling Froth floatation Classification Jigging Tabling Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Ball mill Hammer crusher Roll crusher Gyratory crusher Ball mill Hammer crusher Roll crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Pneumatic conveyor Both B & C Apron conveyor Bucket elevator Pneumatic conveyor Both B & C Apron conveyor Bucket elevator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Either A, B or C Unblanced fly wheels Cams or eccentric shafts Electromagnets Either A, B or C Unblanced fly wheels Cams or eccentric shafts Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 12/D.p 4/D.p 2/D.p 6/D.p 12/D.p 4/D.p 2/D.p 6/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) All of these British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) All of these ANSWER DOWNLOAD EXAMIANS APP
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