Mechanical Operations Pick out the material having minimum Rittinger's number. Calcite Quartz Pyrite Galena Calcite Quartz Pyrite Galena ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls All of these Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = 6 Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The grinding in a hammer crusher takes place due to the Impact Attrition Both A & B Neither A nor B Impact Attrition Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes less power Results in increased capacity Both A and C Consumes more power Consumes less power Results in increased capacity Both A and C Consumes more power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Produces finer products Is long in comparison with its diameter All of these Uses smaller balls Produces finer products Is long in comparison with its diameter All of these Uses smaller balls ANSWER DOWNLOAD EXAMIANS APP
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