Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 40-50 75-80 43835 90-95 40-50 75-80 43835 90-95 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Silicates & phosphates Carbonates Bi-carbonates Sulphates Silicates & phosphates Carbonates Bi-carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Dispersing gas in liquid Suspending solid particles Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid Suspending solid particles Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Rod mill Compartment mill Tube mill Pebble mill Rod mill Compartment mill Tube mill Pebble mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mechanical conveyors does not come under the division 'carriers'? Screw conveyor Belt conveyor Bucket elevator Apron conveyor Screw conveyor Belt conveyor Bucket elevator Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product Has a higher length/diameter ratio Has a higher diameter/length ratio Uses much larger balls Produces a coarser product Has a higher length/diameter ratio Has a higher diameter/length ratio Uses much larger balls ANSWER DOWNLOAD EXAMIANS APP
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