Mechanical Operations The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is √3 1.5 2 √2 √3 1.5 2 √2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Surface area per unit mass Shape factor Specific surface ratio Sauter diameter Surface area per unit mass Shape factor Specific surface ratio Sauter diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Manganese oxide Cobalt oxide Titanium oxide Calcium oxide Manganese oxide Cobalt oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Wet scrubber Bag filter Electrostatic precipitator Cyclone separator Wet scrubber Bag filter Electrostatic precipitator Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Calcium silicate Silica gel Sodium carbonate Diatomaceous earth Calcium silicate Silica gel Sodium carbonate Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 4.34 0.5 1 1.34 4.34 0.5 1 1.34 ANSWER DOWNLOAD EXAMIANS APP