Mechanical Operations For a non-spherical particle, the sphericity Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Has the dimension of length Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Has the dimension of length Is always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Elutriation Froth floatation Jigging Tabling Elutriation Froth floatation Jigging Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill All of these Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding All of these Grinding cost and power requirement increases with increasing fineness of the products 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 During size reduction by a jaw crusher, the energy consumed decreases with the Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed Decreasing machine capacity None of these Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed Decreasing machine capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Neither A nor B Both A & B Rate Pressure Neither A nor B Both A & B Rate Pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. Dry powders High viscosity liquids Lumpy solids and low viscosity liquids Thick pastes Dry powders High viscosity liquids Lumpy solids and low viscosity liquids Thick pastes ANSWER DOWNLOAD EXAMIANS APP
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