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)²p √(S/V)p (S/V)f (S/V)p (S/V)²p √(S/V)p (S/V)f (S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) None of these AD/V π/6(=V/D³) π(=A/D²) None of these AD/V π/6(=V/D³) π(=A/D²) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Jigging is a technique by which different particles can be Separated by particle density Mixed Separated by particle size Separated by particle shape Separated by particle density Mixed Separated by particle size Separated by particle shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Electrical energy consumed by a jaw crusher is not a function of the None of these Average product size Machine capacity Average feed size None of these Average product size Machine capacity Average feed size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Cobalt oxide Calcium oxide Manganese oxide Titanium oxide Cobalt oxide Calcium oxide Manganese oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Is a tube mill lined with ceramic or other non-metallic liner Both B and C Employs flints or ceramic pebbles as the grinding medium Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Both B and C Employs flints or ceramic pebbles as the grinding medium Is a ball mill ANSWER DOWNLOAD EXAMIANS APP
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