Mechanical Operations Which of the following is not used as filter aid? Asbestos Diatomaceous earth Purified wood cellulose Rice husk Asbestos Diatomaceous earth Purified wood cellulose Rice husk ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 6/D.p 2/D.p 12/D.p 4/D.p 6/D.p 2/D.p 12/D.p 4/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Attrition Cutting Compression Impact Attrition Cutting Compression Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a fine crusher? Gyratory crusher Blake jaw crusher Toothed roll crusher Dodge jaw crusher Gyratory crusher Blake jaw crusher Toothed roll crusher Dodge jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Sauter diameter Surface area per unit mass Specific surface ratio Shape factor Sauter diameter Surface area per unit mass Specific surface ratio Shape factor ANSWER DOWNLOAD EXAMIANS APP
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