Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 1 0.66 0.5 2.76 1 0.66 0.5 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is √3 √2 1 0.5 √3 √2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.6 0.78 0.9 0.5 0.6 0.78 0.9 0.5 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 Ultrafine Fine Secondary Primary Ultrafine Fine Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Disc-bowl centrifuge Sharpies supercentrifuge Sparkler filter Precoat filter Disc-bowl centrifuge Sharpies supercentrifuge Sparkler filter Precoat filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Ring-roll Tube Compartment Pebble Ring-roll Tube Compartment Pebble ANSWER DOWNLOAD EXAMIANS APP