About 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. ‘Power number’ in agitation is given by __________________?

Related Mcqs:

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...

In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the _____________ crushing?

A. Primary B. Secondary C. Fine D. Ultrafine...

Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with ______________ to get the same for dry grinding?

A. 1.0 B. 0.5 C. 1.34 D. 4.34...

Which of the following is a fine crusher ?

A. Blake jaw crusher B. Gyratory crusher C. Toothed roll crusher D. Dodge jaw crusher...

Ball mill is used for__________________?

A. Crushing B. Coarse grinding C. Fine grinding D. Attrition...