Mechanical Operations In case of grinding in a ball mill All of these Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shape factor for a cylinder whose length equals its diameter is 1.0 0.5 1.5 2.0 1.0 0.5 1.5 2.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 1 0.5 ∞ 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A widely used size reduction equipment for __________ is Bradford breaker. Wheat Iron core Coal Talc Wheat Iron core Coal Talc ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the Froude number is independent for the curves between power number and Reynolds number in baffled system Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Kneader Pug mill Banbery mixer Impact wheels Kneader Pug mill Banbery mixer Impact wheels ANSWER DOWNLOAD EXAMIANS APP
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