Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Baum jig washer Spiral separator Froth floatation Trough washer Baum jig washer Spiral separator Froth floatation Trough washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) LS 250 LS 93 LS √LS LS 250 LS 93 LS √LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Electro-static precipitator Gravity settling chamber Cyclone separator Venturi atomiser Electro-static precipitator Gravity settling chamber Cyclone separator Venturi atomiser ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Bond's crushing law Kick's law None of these Rittinger's law Bond's crushing law Kick's law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products. Pebble Attrition Roller Buhrstone Pebble Attrition Roller Buhrstone ANSWER DOWNLOAD EXAMIANS APP
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