Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Shape Wettability Specific gravities None of these Shape Wettability Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Increases May increase or decrease; depends on the machine Remains unchanged Decreases Increases May increase or decrease; depends on the machine Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a pneumatic conveying system depends upon the Bulk density of materials Pressure of the conveying air All of these Diameter of the conveying line Bulk density of materials Pressure of the conveying air All of these Diameter of the conveying line ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cyclones are used primarily for separating Liquids Solids Solids from fluids Solids from solids Liquids Solids Solids from fluids Solids from solids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Toothed roll crusher Hammer mills with internal classification Micronizers Agitated mills and fluid energy mills Toothed roll crusher Hammer mills with internal classification Micronizers Agitated mills and fluid energy mills 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
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