Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Ultrafine Secondary Primary Fine Ultrafine Secondary Primary Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fick's law relates to Energy consumption Final particle size None of these Feed size Energy consumption Final particle size None of these Feed size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Hammer mill Crushing rolls Buhrstone mill Ball mill Hammer mill Crushing rolls Buhrstone mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 20 to 25 5 to 10 50 to 70 0.1 to 2 20 to 25 5 to 10 50 to 70 0.1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying pressure Constant rate Varying rate Constant pressure Varying pressure Constant rate Varying rate Constant pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ √NRe Np ∝ 1/NRe Np ∝ NRe Np → constant Np ∝ √NRe Np ∝ 1/NRe Np ∝ NRe Np → constant ANSWER DOWNLOAD EXAMIANS APP
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