Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Secondary Fine Ultrafine Primary Secondary Fine Ultrafine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Sand bed filter Plate and frame filter press Vacuum filter Batch basket centrifuge Sand bed filter Plate and frame filter press Vacuum filter Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) 1/s . c S . c C/s S/c 1/s . c S . c C/s S/c ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Screw conveyor Pneumatic conveyor Belt conveyor Apron conveyor Screw conveyor Pneumatic conveyor Belt conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Increase the rate of filtration Increase the porosity of the cake Decrease the pressure drop Act as a support base for the septum Increase the rate of filtration Increase the porosity of the cake Decrease the pressure drop Act as a support base for the septum 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? Cylinder (L/D = 1) Sphere Raschig rings Cube Cylinder (L/D = 1) Sphere Raschig rings Cube ANSWER DOWNLOAD EXAMIANS APP
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