Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 2 to 3.5 0.5 to 1.5 4 to 5 0.01 to 0.1 2 to 3.5 0.5 to 1.5 4 to 5 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Cyclone separator between mill & classifier Neither A nor B Both A & B Classifier Cyclone separator between mill & classifier Neither A nor B Both A & B Classifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.68 0.62 0.58 0.5 0.68 0.62 0.58 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Waxes Resins Hard rubber Gums Waxes Resins Hard rubber Gums ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the Froude number is independent for the curves between power number and Reynolds number in baffled system Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about 2 to 5° 5 to 10° 10 to 15° 1 to 2° 2 to 5° 5 to 10° 10 to 15° 1 to 2° ANSWER DOWNLOAD EXAMIANS APP
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