Mechanical Operations Which of the following is the most suitable for handling fibrous and dense slurries? Turbine agitator Radial propeller agitator Cone type agitator Propeller agitator Turbine agitator Radial propeller agitator Cone type agitator Propeller agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Titanium oxide Manganese oxide Cobalt oxide Calcium oxide Titanium oxide Manganese oxide Cobalt oxide Calcium oxide 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 Precoated on the filter medium prior to filtration Added to the feed slurry All of these Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration Added to the feed slurry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 2.76 1 0.5 0.66 2.76 1 0.5 0.66 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Forged/cast steel Alloy steel Lead Cast iron Forged/cast steel Alloy steel Lead Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding May increase or decrease ; depends on the material being ground Remains constant Decreases Increases May increase or decrease ; depends on the material being ground Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS