Mechanical Operations In case of grinding in a ball mill Wet grinding achieves a finer product size than dry grinding All of these Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding All of these Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult None of these Screening becomes progressively easier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Diameter of the rolls Product size Speed of the rolls Feed size Diameter of the rolls Product size Speed of the rolls Feed size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Cobalt oxide Titanium oxide Manganese oxide Calcium oxide Cobalt oxide Titanium oxide Manganese oxide Calcium oxide 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 Calcium carbonate Sodium carbonate Copper sulphate Cresylic acid Calcium carbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Banbery mixer Impact wheels Kneader Pug mill Banbery mixer Impact wheels Kneader Pug mill ANSWER DOWNLOAD EXAMIANS APP
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