Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 16° 46° 40° 32° 16° 46° 40° 32° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Cutting Impact Attrition Compression Cutting Impact Attrition Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Supporting legs of a plate and frame filter is normally made of High speed steel Wooden plank Stainless steel Cast iron High speed steel Wooden plank Stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Both A & B Neither A nor B Cyclone separator between mill & classifier Classifier Both A & B Neither A nor B Cyclone separator between mill & classifier Classifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Is used for mixing high viscosity pastes Produces mainly axial flow All of these Runs at very slow speed (2 rpm) Is used for mixing high viscosity pastes Produces mainly axial flow All of these Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number All of these ANSWER DOWNLOAD EXAMIANS APP
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