Mechanical Operations For efficient grinding, ball mills must be operated At a speed equal to the critical speed At a speed more than the critical speed With minimum possible small balls At a speed less than the critical speed At a speed equal to the critical speed At a speed more than the critical speed With minimum possible small balls At a speed less than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Ring-roll Tube Pebble Compartment Ring-roll Tube Pebble Compartment 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. 25 50 75 10 25 50 75 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Elutriation Classification Clarification Sedimentation Elutriation Classification Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) 250 LS LS 93 LS √LS 250 LS LS 93 LS √LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Primary Secondary Ultrafine Fine Primary Secondary Ultrafine Fine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS