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 Concrete Bronze Flint or porcelain Stainless steel Concrete Bronze Flint or porcelain Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Bond's crushing law Rittinger's law Kick's law None of these Bond's crushing law Rittinger's law Kick's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an Air filter Venturi scrubber Hydrocyclones Bag filter Air filter Venturi scrubber Hydrocyclones Bag filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the All of these Elastic constant of the material Ultimate strength of the material State or manner of application of the crushing force All of these Elastic constant of the material Ultimate strength of the material State or manner of application of the crushing force ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Belt conveyor Apron conveyor Chain conveyor Flight conveyor Belt conveyor Apron conveyor Chain conveyor Flight conveyor ANSWER DOWNLOAD EXAMIANS APP
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