Mechanical Operations Helical screw agitator is used for Mixing liquids at very high temperature (> 250 °C) Mixing highly viscous pastes None of these Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) Mixing highly viscous pastes None of these Blending immiscible liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations increasing the capacity of a screen __________ the screen effectiveness. Does not effect Decreases None of these Increases Does not effect Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moore filter is a __________ filter. Press Sand Leaf Rotary Press Sand Leaf Rotary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Specific gravities Wettability None of these Shape Specific gravities Wettability None of these Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 0.90 μm/s 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s 22.1 μm/s 0.02 μm/s 1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a fluid energy mill is achieved by Compression Cutting Interparticle attrition Impact Compression Cutting Interparticle attrition Impact ANSWER DOWNLOAD EXAMIANS APP