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 __________ mills are termed as impactors. Hammer Rolling-compression Cage None of these Hammer Rolling-compression Cage None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Has less capacity None of these Requires more energy Complicates handling & classification of the product Has less capacity None of these Requires more energy Complicates handling & classification of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Square root of the velocity Square of the viscosity Filtration time only Washing time only Square root of the velocity Square of the viscosity Filtration time only Washing time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The porosity of a compressible cake is Maximum at the filter medium Minimum at the upstream face Minimum at the filter medium Same throughout the thickness of cake Maximum at the filter medium Minimum at the upstream face Minimum at the filter medium Same throughout the thickness of cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Precoat filter Sharpies supercentrifuge Sparkler filter Disc-bowl centrifuge Precoat filter Sharpies supercentrifuge Sparkler filter Disc-bowl centrifuge ANSWER DOWNLOAD EXAMIANS APP
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