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 Flint or porcelain Bronze Stainless steel Concrete Flint or porcelain Bronze Stainless steel Concrete ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. Vacuum Plate & frame Rotary Sand Vacuum Plate & frame Rotary Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Multiple blade paddles None of these Propellers Turbine agitators Multiple blade paddles None of these Propellers Turbine agitators ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Spiralling Tabling None of these Panning Spiralling Tabling None of these Panning ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Jaw crusher Rod mill Fluid energy mill Ball mill Jaw crusher Rod mill Fluid energy mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS