Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The new surface created None of these The size reduction ratio The change in volume due to crushing The new surface created None of these The size reduction ratio The change in volume due to crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a fluid energy mill is achieved by Interparticle attrition Impact Cutting Compression Interparticle attrition Impact Cutting Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). 1/Dp 1/D²p D²p Dp 1/Dp 1/D²p D²p Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ √ΔP Independent of ΔP ∝ ΔP ∝ 1/ ΔP ∝ √ΔP Independent of ΔP ∝ ΔP ∝ 1/ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Froth floatation Clarification Thickening Classification Froth floatation Clarification Thickening Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For classification of potable (drinking) water, we use a __________ filter. Rotary vacuum Plate and frame Vacuum leaf Gravity sand Rotary vacuum Plate and frame Vacuum leaf Gravity sand ANSWER DOWNLOAD EXAMIANS APP
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