Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Chain conveyor Apron conveyor Belt conveyor Flight conveyor Chain conveyor Apron conveyor Belt conveyor Flight conveyor 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 The study on washability of coal is done by using the __________ technique. None of these Tabling Elutriation Heavy media separation None of these Tabling Elutriation Heavy media separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Gives less wear on chamber walls Complicates handling of the product Increases capacity Requires more energy Gives less wear on chamber walls Complicates handling of the product Increases capacity Requires more energy ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the material having minimum Rittinger's number. Pyrite Quartz Galena Calcite Pyrite Quartz Galena Calcite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In screen analysis, the notation +5 mm/-10 mm means particles passing through Both 5 mm and 10 mm screens 10 mm screen and retained on 5 mm screen Neither 5 mm nor 10 mm screen 5 mm screen and retained on 10 mm screen Both 5 mm and 10 mm screens 10 mm screen and retained on 5 mm screen Neither 5 mm nor 10 mm screen 5 mm screen and retained on 10 mm screen ANSWER DOWNLOAD EXAMIANS APP
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