Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Reduction ratio Differential roll speed Neither A nor B Both A & B Reduction ratio Differential roll speed Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Copper sulphate Cresylic acid Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid Sodium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is >100 >10 >100 >10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the None of these Liquids having high vapour pressure Removal of fines from liquid Liquids of very high viscosity None of these Liquids having high vapour pressure Removal of fines from liquid Liquids of very high viscosity 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 = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Calcite Quartz Fluorspar Cassiterrite Calcite Quartz Fluorspar Cassiterrite ANSWER DOWNLOAD EXAMIANS APP
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