Mechanical Operations In bag filters, filter fabrics are never made of Nylon fibres Polyester fibres Cotton fibres Metallic wire woven mesh Nylon fibres Polyester fibres Cotton fibres Metallic wire woven mesh ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid 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 D.V.ρ 3.6 W.V.ρ 3.6 W.D.V.ρ 3.6 W.D.V. 3.6 D.V.ρ 3.6 W.V.ρ 3.6 W.D.V.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At the end of filtration At time zero At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At the end of filtration At time zero ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Attrition Impact Cutting Compression Attrition Impact Cutting Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Pressure drop alone Cake thickness Both pressure drop and flow rate Flow rate alone Pressure drop alone Cake thickness Both pressure drop and flow rate Flow rate alone ANSWER DOWNLOAD EXAMIANS APP