Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df - Dp None of these Dp/Df Df/Dp Df - Dp None of these Dp/Df Df/Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration increases with time Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Venturi Hollow wet Packed wet Co-current Venturi Hollow wet Packed wet Co-current ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is a secondary crusher for a hard & tough stone? Jaw crusher Cone crusher Impact crusher Toothed roll crusher Jaw crusher Cone crusher Impact crusher Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Cyclone separator between mill & classifier Classifier Both A & B Neither A nor B Cyclone separator between mill & classifier Classifier Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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