Mechanical Operations For benefication of iron ore, the most commonly used method is Jigging & tabling None of these Froth floatation Flocculation Jigging & tabling None of these Froth floatation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for handling fibrous and dense slurries? Propeller agitator Turbine agitator Radial propeller agitator Cone type agitator Propeller agitator Turbine agitator Radial propeller agitator Cone type agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S 6.V/D.S V/D.S S/V V/6D.S 6.V/D.S V/D.S S/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Asbestos Limestone Rubber Non-metallic ores Asbestos Limestone Rubber Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Xanthates are used in the froth floatation process as a/an Activator Conditioner Frother Collector Activator Conditioner Frother Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is All of these Separated from the cake by dissolving solids or by burning it off Added to the feed slurry Precoated on the filter medium prior to filtration All of these Separated from the cake by dissolving solids or by burning it off Added to the feed slurry Precoated on the filter medium prior to filtration ANSWER DOWNLOAD EXAMIANS APP
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