Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 500 1 50 100 500 1 50 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1 4.34 0.5 1.34 1 4.34 0.5 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Ring-roll Pebble Tube Compartment Ring-roll Pebble Tube Compartment ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Gives finer size reduction but consumes more power All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls Gives finer size reduction but consumes more power All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of asbestos and mica is done by Rod mills Hammer mills Crushing rolls Gyratory crushers Rod mills Hammer mills Crushing rolls Gyratory crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Plate & frame Shell & leaf Rotary vacuum Sand Plate & frame Shell & leaf Rotary vacuum Sand ANSWER DOWNLOAD EXAMIANS APP
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