Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) 1/D D 1/D2.5 D2.5 1/D D 1/D2.5 D2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Filtration time only Square of the viscosity Washing time only Square root of the velocity Filtration time only Square of the viscosity Washing time only Square root of the velocity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The term 'angle of nip' is concerned with the operation of the __________ crushers. None of these Roll Jaw Gyratory None of these Roll Jaw Gyratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W. ρ 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W. ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Asbestos & mica Non-metallic ores Metalliferrous ores Basic slags Asbestos & mica Non-metallic ores Metalliferrous ores Basic slags ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 50 100 1 500 50 100 1 500 ANSWER DOWNLOAD EXAMIANS APP