Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). √(S/V)p (S/V)²p (S/V)p (S/V)f √(S/V)p (S/V)²p (S/V)p (S/V)f ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) 0.01 L.S L.S 0.087 L.S L.S/0.087 0.01 L.S L.S 0.087 L.S L.S/0.087 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by AD/V A/V √(AD/V) D/V AD/V A/V √(AD/V) D/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a vacuum filter? Tank filter (Nutsch filter) Rotary disc filter Batch basket centrifuge Filter press Tank filter (Nutsch filter) Rotary disc filter Batch basket centrifuge Filter press ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Cake thickness Pressure drop alone Flow rate alone Both pressure drop and flow rate Cake thickness Pressure drop alone Flow rate alone Both pressure drop and flow rate 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 High power consumption in grinding Easier grindability None of these Poor grindability High power consumption in grinding Easier grindability None of these Poor grindability ANSWER DOWNLOAD EXAMIANS APP