Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 1 0.5 2.76 0.66 1 0.5 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Filter medium resistance increases Filter medium resistance decreases All the resistances are constant Cake resistance decreases Filter medium resistance increases Filter medium resistance decreases All the resistances are constant Cake resistance decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Grinding cost and power requirement increases with increasing fineness of the products All of these Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products All of these Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π (π/6)1/3 π/3 (π/6)1/2 π (π/6)1/3 π/3 (π/6)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Leaf filter (Moore filter) Sand filter Plate and flame filter Rotary drum filter Leaf filter (Moore filter) Sand filter Plate and flame filter Rotary drum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gizzlies are used for separating __________ solids. Fine Coarse Any size None of these Fine Coarse Any size None of these ANSWER DOWNLOAD EXAMIANS APP
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