Mechanical Operations Screw conveyors are Run at very high rpm All of these Suitable for sticky materials Suitable for highly abrasive materials Run at very high rpm All of these Suitable for sticky materials Suitable for highly abrasive materials ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumption in a crusher decreases with increase in the Capacity of the crushing machine All of these Size of the product (at constant feed size) Size of feed (at constant reduction ratio) Capacity of the crushing machine All of these Size of the product (at constant feed size) Size of feed (at constant reduction ratio) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Concentration ratio None of these Selectivity index Separation efficiency Concentration ratio None of these Selectivity index Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Kick's law None of these Rittinger's law Bond's crushing law Kick's law None of these Rittinger's law Bond's crushing law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 15 to 20 10 to 15 3 to 4 8 to 10 15 to 20 10 to 15 3 to 4 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration Deplugging the filter medium Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
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