Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Slightly more than Much more than At least equal to Less than Slightly more than Much more than At least equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is a cohesive solid. Wheat Sand None of these Wet clay Wheat Sand None of these Wet clay ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following screens has the maximum capacity? Grizzlies Vibrating screen Trommels Shaking screen Grizzlies Vibrating screen Trommels Shaking screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Volume Length Number Area Volume Length Number Area ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 10 25 75 50 10 25 75 50 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 Calcium carbonate Cresylic acid Sodium carbonate Copper sulphate Calcium carbonate Cresylic acid Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP