Mechanical Operations Which of the following is not a non-metalliferous mineral? Quartz Cassiterrite Fluorspar Calcite Quartz Cassiterrite Fluorspar Calcite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Cube Cylinder (L/D = 1) Raschig rings Sphere Cube Cylinder (L/D = 1) Raschig rings Sphere ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the compressibility co-efficient Increase the compressibility co-efficient Decrease the porosity Increase the porosity Decrease the compressibility co-efficient Increase the compressibility co-efficient Decrease the porosity Increase the porosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Supporting legs of a plate and frame filter is normally made of Stainless steel Cast iron High speed steel Wooden plank Stainless steel Cast iron High speed steel Wooden plank ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Metallic wire woven mesh Cotton fibres Polyester fibres Nylon fibres Metallic wire woven mesh Cotton fibres Polyester fibres Nylon fibres ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing highly viscous pastes Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) None of these Mixing highly viscous pastes Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) None of these ANSWER DOWNLOAD EXAMIANS APP
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