Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 1 ∞ 0.5 1 ∞ 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyors are also called scrapers. Helical flight Apron Screw Both B & C Helical flight Apron Screw Both B & C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Less than Slightly more than At least equal to Much more than Less than Slightly more than At least equal to Much more than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Leaf filter (Moore filter) Rotary drum filter Plate and flame filter Sand filter Leaf filter (Moore filter) Rotary drum filter Plate and flame filter Sand filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the crushing energy required to create new surface ? Fick's law Taggarts rule Rittinger's law None of these Fick's law Taggarts rule Rittinger's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Vacuum leaf Open sand Plate and frame Sparkler Vacuum leaf Open sand Plate and frame Sparkler ANSWER DOWNLOAD EXAMIANS APP