Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Rod mill Compartment mill Cage mill Pebble mill Rod mill Compartment mill Cage mill Pebble mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Produces finer products Is long in comparison with its diameter All of these Uses smaller balls Produces finer products Is long in comparison with its diameter All of these Uses smaller balls 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 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 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 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 used to account for the effect of surface (e.g., the centre vortex) on the power number ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/hr Both A & B Tons/hr-ft² Tons/ft² Tons/hr Both A & B Tons/hr-ft² Tons/ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 40° 16° 46° 32° 40° 16° 46° 32° ANSWER DOWNLOAD EXAMIANS APP
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