Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Modifier Collector Frother Activator Modifier Collector Frother Activator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Flight conveyor Bucket conveyor Screw conveyor Both B and C Flight conveyor Bucket conveyor Screw conveyor Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake Remain constant Increases None of these Decreases Remain constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on Its ball load The density of the material being ground All of these Its speed Its ball load The density of the material being ground All of these Its speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Curved blade turbine Flat blade turbine Helical screw Propeller Curved blade turbine Flat blade turbine Helical screw Propeller ANSWER DOWNLOAD EXAMIANS APP
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