Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Electro-static precipitator Venturi atomiser Cyclone separator Gravity settling chamber Electro-static precipitator Venturi atomiser Cyclone separator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 0.90 μm/s 1 μm/s 0.02 μm/s 22.1 μm/s 0.90 μm/s 1 μm/s 0.02 μm/s 22.1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products. Pebble Buhrstone Attrition Roller Pebble Buhrstone Attrition Roller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of filter medium resistance is Gm/cm⁻¹ Gm⁻¹ Cm/gm⁻¹ Cm⁻¹ Gm/cm⁻¹ Gm⁻¹ Cm/gm⁻¹ Cm⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 0.1 to 2 20 to 25 50 to 70 5 to 10 0.1 to 2 20 to 25 50 to 70 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Both A & B Electrolyte Neither A nor B Surface active agent Both A & B Electrolyte Neither A nor B Surface active agent ANSWER DOWNLOAD EXAMIANS APP