Toothed roll crushers achieve size reduction by___________________?

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During agitation of liquids, the_________________?

A. Froude number is independent for the curves between power number and Reynolds number in baffled system B. Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller C. Froude number is used to account for the effect of surface (e.g., the centre vortex) … During agitation of liquids, the_________________?Read More...

Reciprocal of sphericity is termed as the________________?

A. Specific surface ratio B. Shape factor C. Sauter diameter D. Surface area per unit mass...

In constant pressure filtration ?

A. Resistance decreases with time B. Rate of filtration is constant C. Rate of filtration increases with time D. Rate of filtration decreases with time...

Bucket elevators are not suitable for the vertical lifting of __________ materials?

A. Fine (e.g. – 200 mesh size coal) B. Sticky (e.g. clay paste) C. Small lumpy (e.g. grains and sand) D. Free flowing...

Supporting legs of a plate and frame filter is normally made of________________?

A. Stainless steel B. Cast iron C. High speed steel D. Wooden plank...