Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) D 1/D2.5 1/D D2.5 D 1/D2.5 1/D D2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Rod mill Ball mill Jaw crusher Fluid energy mill Rod mill Ball mill Jaw crusher Fluid energy mill 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 0.58 0.62 0.68 0.5 0.58 0.62 0.68 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is 1/2 1 1/4 4 1/2 1 1/4 4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is < 1 1 1.5 > 1 < 1 1 1.5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Decreases Increases linearly Increases Remains constant Decreases Increases linearly Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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