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. 70 50 85 35 70 50 85 35 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Non-metallic ores Metalliferrous ores Basic slags Asbestos & mica Non-metallic ores Metalliferrous ores Basic slags Asbestos & mica ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Electrolyte Neither A nor B Both A & B Surface active agent Electrolyte Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A belt conveyor used for the transportation of materials can Handle materials upto 5000 tons/hr Travel at a speed upto 300 metres/minute Run upto 1 km All of these Handle materials upto 5000 tons/hr Travel at a speed upto 300 metres/minute Run upto 1 km All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Different fluids Same field of force Same fluid Both B and C Different fluids Same field of force Same fluid Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Weber number is significant and is concerned with the Suspension of solid in liquid Liquid-liquid mixing Dispersion of liquid in liquid Solid-liquid mixing Suspension of solid in liquid Liquid-liquid mixing Dispersion of liquid in liquid Solid-liquid mixing ANSWER DOWNLOAD EXAMIANS APP
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