Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Weber Brinkman Peclet Schmidt Weber Brinkman Peclet Schmidt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. None of these Impact Vibratory Roll None of these Impact Vibratory Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. 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 For hard material's crushing, the reduction ratio should not exceed 4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Crushing takes place by impact breaking All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms Crushing takes place by impact breaking All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is None of these Froth floatation Jigging & tabling Flocculation None of these Froth floatation Jigging & tabling Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Cake resistance decreases Filter medium resistance decreases Filter medium resistance increases All the resistances are constant Cake resistance decreases Filter medium resistance decreases Filter medium resistance increases All the resistances are constant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS