Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Cyclone separator between mill & classifier Both A & B Classifier Neither A nor B Cyclone separator between mill & classifier Both A & B Classifier Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Diatomaceous earth Purified wood cellulose Asbestos Rice husk Diatomaceous earth Purified wood cellulose Asbestos Rice husk ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the preliminary breaking of hard rock, we use a Gyratory crusher Squirrel-cage disintegrator Tube mill Ball mill Gyratory crusher Squirrel-cage disintegrator Tube mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Jigging Froth floatation Classification Tabling Jigging Froth floatation Classification Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed ANSWER DOWNLOAD EXAMIANS APP