Mechanical Operations Filter medium resistance is important during the __________ of filtration. Early stages Entire process Final stages None of these Early stages Entire process Final stages None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases linearly Decreases Is not affected Increases Increases linearly Decreases Is not affected Increases 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)²p (S/V)p √(S/V)p (S/V)f (S/V)²p (S/V)p √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Uses smaller balls Produces finer products Is long in comparison with its diameter All of these Uses smaller balls Produces finer products Is long in comparison with its diameter All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Feed particles Grinding element & the housing Neither A nor B Both A & B Feed particles Grinding element & the housing Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloidal mills are used for __________ grinding. Coarse Fine Intermediate Ultrafine Coarse Fine Intermediate Ultrafine ANSWER DOWNLOAD EXAMIANS APP