Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the None of these Decreasing machine capacity Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed None of these Decreasing machine capacity Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Flat blade turbine Propeller Helical screw Curved blade turbine Flat blade turbine Propeller Helical screw Curved blade turbine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Volume Number Area Length Volume Number Area Length ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Spiralling Panning Tabling None of these Spiralling Panning Tabling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a coarse crusher? Gyratory crusher Tube mill Smooth roll crusher Toothed roll crusher Gyratory crusher Tube mill Smooth roll crusher Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
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