Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 50 25 75 10 50 25 75 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of solids are removed from, liquid in a Clarifier Classifier Rotary vacuum filter Sparkler filter Clarifier Classifier Rotary vacuum filter Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels separate a mixture of particles depending on their Wettability Electrical & magnetic properties Size Density Wettability Electrical & magnetic properties Size Density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating None of these Sulphide ores Quartzite Iron ores None of these Sulphide ores Quartzite Iron ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products All of these Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products All of these Grinding cost and power requirement increases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ √D N ∝ 1/√D N ∝ D N ∝ 1/D N ∝ √D N ∝ 1/√D N ∝ D N ∝ 1/D ANSWER DOWNLOAD EXAMIANS APP
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