Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Activator Frother Collector Modifier Activator Frother Collector Modifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Both A & B Tons/hr-ft² Tons/hr Tons/ft² Both A & B Tons/hr-ft² Tons/hr Tons/ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 500°C and 50 atm 1000°C and 10 atm 1000°C and 500 atm 200°C and 5 atm 500°C and 50 atm 1000°C and 10 atm 1000°C and 500 atm 200°C and 5 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³) 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 AVS/ρ 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 AVS/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the crushing energy required to create new surface ? Rittinger's law None of these Taggarts rule Fick's law Rittinger's law None of these Taggarts rule Fick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Asbestos & mica Non-metallic ores Basic slags Metalliferrous ores Asbestos & mica Non-metallic ores Basic slags Metalliferrous ores ANSWER DOWNLOAD EXAMIANS APP
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