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? Sphere Cylinder (L/D = 1) Raschig rings Cube Sphere Cylinder (L/D = 1) Raschig rings Cube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of specific cake resistance is Gm/gm Cm/gm² Cm/gm Gm/cm² Gm/gm Cm/gm² Cm/gm Gm/cm² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its None of these Easier grindability High power consumption in grinding Poor grindability None of these Easier grindability High power consumption in grinding Poor grindability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration Remains constant Increases continuously Decreases gradually None of these Remains constant Increases continuously Decreases gradually None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is 1/4 1 1/2 4 1/4 1 1/2 4 ANSWER DOWNLOAD EXAMIANS APP
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