Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 40-50 90-95 43835 75-80 40-50 90-95 43835 75-80 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. ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W. ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W.Dr/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Fluid energy mill Rod mill Ball mill Jaw crusher Fluid energy mill Rod mill Ball mill Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following clay mixing devices is vacuum operated for deairation of clay? None of these Pug mill Muller-mixer Banbery mixer None of these Pug mill Muller-mixer Banbery mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is A batch filter Not suitable, if the liquid is the main product Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost A batch filter Not suitable, if the liquid is the main product Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
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