Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df - Dp Dp/Df Df/Dp None of these Df - Dp Dp/Df Df/Dp None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as 1/d √d D² D 1/d √d D² D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Cobalt oxide Manganese oxide Titanium oxide Calcium oxide Cobalt oxide Manganese oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Jigging Froth floatation Tabling Classification Jigging Froth floatation Tabling Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 46° 40° 16° 32° 46° 40° 16° 32° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Gravity settling chamber Venturi atomiser Electro-static precipitator Cyclone separator Gravity settling chamber Venturi atomiser Electro-static precipitator Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
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