Mechanical Operations Xanthates are used in the froth floatation process as a/an Frother Collector Conditioner Activator Frother Collector Conditioner Activator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying pressure Constant pressure Constant rate Varying rate Varying pressure Constant pressure Constant rate Varying rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 32° 46° 40° 16° 32° 46° 40° 16° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 1 0.5 ∞ 1 0.5 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The term 'angle of nip' is concerned with the operation of the __________ crushers. Roll Gyratory Jaw None of these Roll Gyratory Jaw None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 50 to 70 0.1 to 2 5 to 10 20 to 25 50 to 70 0.1 to 2 5 to 10 20 to 25 ANSWER DOWNLOAD EXAMIANS APP