Mechanical Operations MCQ Questions & Answers | Chemical Engineering

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) on the power number

D. All of the above

A. Added to the feed slurry

B. Precoated on the filter medium prior to filtration

C. Separated from the cake by dissolving solids or by burning it off

D. All of the above

A. $${\left( {\frac{{\text{S}}}{{\text{V}}}} \right)_{\text{p}}}$$

B. $$\sqrt {{{\left( {\frac{{\text{S}}}{{\text{V}}}} \right)}_{\text{p}}}} $$

C. $$\left( {\frac{{\text{S}}}{{\text{V}}}} \right)_{\text{p}}^2$$

D. $${\left( {\frac{{\text{S}}}{{\text{V}}}} \right)_{\text{f}}}$$

A. Diameter of the rolls

B. Speed of the rolls

C. Product size

D. Feed size

A. Number

B. Length

C. Area

D. Volume