Pine oil used in froth floatation technique acts as a/an_____________________?

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Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?

A. Propeller B. Helical screw C. Flat blade turbine D. Curved blade turbine...

General crushing equation is given by d(P/m) = -K (dD̅ S/D̅ n S). Bond’s crushing law is obtained by solving this equation for n = _____________ and feed of infinite size?

A. 1 B. 1.5 C. 2 D. 2.5...

A fluid energy mill is used for __________________?

A. Cutting B. Grinding C. Ultra-grinding D. Crushing...

For sizing of fine materials, the most suitable equipment is a____________________?

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Which of the following terminology is not used for size reduction of materials to fine sizes or powders ?

A. Comminution B. Dispersion C. Pulverisation D. Compression...