Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 25 10 75 50 25 10 75 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Neither A nor B Both A & B Swirling Vortexing Neither A nor B Both A & B Swirling Vortexing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Concentrate Tailing Heading Middling Concentrate Tailing Heading Middling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Metalliferrous ores Asbestos & mica Non-metallic ores Basic slags Metalliferrous ores Asbestos & mica Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Compression and tearing Cutting action Impact and attrition Compression Compression and tearing Cutting action Impact and attrition Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS