Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Elliptical Cast iron Minimum size Maximum size Elliptical Cast iron Minimum size Maximum size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels separate a mixture of particles depending on their Electrical & magnetic properties Size Density Wettability Electrical & magnetic properties Size Density Wettability 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'? Screw conveyor Both B and C Bucket conveyor Flight conveyor Screw conveyor Both B and C Bucket conveyor Flight conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 2 D 1.5 D D 0.5 D 2 D 1.5 D D 0.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion Suspending solid particles Dispersing gas in liquid Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion Suspending solid particles Dispersing gas in liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Bronze Concrete Stainless steel Flint or porcelain Bronze Concrete Stainless steel Flint or porcelain ANSWER DOWNLOAD EXAMIANS APP
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