Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is (π/6)1/3 (π/6)1/2 π π/3 (π/6)1/3 (π/6)1/2 π π/3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Hammer mill Crushing rolls Ball mill Buhrstone mill Hammer mill Crushing rolls Ball mill Buhrstone mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 5 to 10 50 to 70 20 to 25 0.1 to 2 5 to 10 50 to 70 20 to 25 0.1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Length Number Area Volume Length Number Area Volume ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Specific surface of product is more Operation is economical Product has lesser size uniformity Production rate at a given limiting size is lower Specific surface of product is more Operation is economical Product has lesser size uniformity Production rate at a given limiting size is lower ANSWER DOWNLOAD EXAMIANS APP
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