Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Froth floatation Baum jig washer Spiral separator Trough washer Froth floatation Baum jig washer Spiral separator Trough washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a cutting machine? Tube mills Dicers Knife cutters Slitters Tube mills Dicers Knife cutters Slitters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Differential roll speed Both A & B Reduction ratio Neither A nor B Differential roll speed Both A & B Reduction ratio Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) S . c 1/s . c C/s S/c S . c 1/s . c C/s S/c ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Bronze Concrete Stainless steel Flint or porcelain Bronze Concrete Stainless steel Flint or porcelain ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? Sand High V.M. bituminous coal Coke breeze None of these Sand High V.M. bituminous coal Coke breeze None of these ANSWER DOWNLOAD EXAMIANS APP