Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Bi-carbonates Sulphates Silicates & phosphates Carbonates Bi-carbonates Sulphates Silicates & phosphates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 W.V.ρ 3.6 D.V.ρ 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 W.V.ρ 3.6 D.V.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Crushing takes place by impact breaking All of these Maximum acceptable feed size is 30 cms Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking All of these Maximum acceptable feed size is 30 cms Reduction ratio can be varied by adjusting the distance from cage to hammers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). √μ 1/μ 1/μ² 1/√μ √μ 1/μ 1/μ² 1/√μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Rod mill Fluid energy mill Ball mill Jaw crusher Rod mill Fluid energy mill Ball mill Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Chain conveyor Flight conveyor Apron conveyor Belt conveyor Chain conveyor Flight conveyor Apron conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
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