Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 10 to 15 15 to 20 8 to 10 3 to 4 10 to 15 15 to 20 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Complicates handling & classification of the product None of these Has less capacity Requires more energy Complicates handling & classification of the product None of these Has less capacity Requires more energy ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its Shatter index HGI Abrasion index Angle of repose Shatter index HGI Abrasion index Angle of repose ANSWER DOWNLOAD EXAMIANS APP
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)f (S/V)p √(S/V)p (S/V)²p (S/V)f (S/V)p √(S/V)p (S/V)²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sparkler filter Sharpies supercentrifuge Disc-bowl centrifuge Precoat filter Sparkler filter Sharpies supercentrifuge Disc-bowl centrifuge Precoat filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Manganese oxide Titanium oxide Cobalt oxide Calcium oxide Manganese oxide Titanium oxide Cobalt oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
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