Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 2/D.p 6/D.p 12/D.p 4/D.p 2/D.p 6/D.p 12/D.p 4/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Oversizes are present in undersize fraction Screen is plugged with solid particles Undersizes are retained in oversize fraction Screen capacity is abruptly increased Oversizes are present in undersize fraction Screen is plugged with solid particles Undersizes are retained in oversize fraction Screen capacity is abruptly increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 90-95 43835 75-80 40-50 90-95 43835 75-80 40-50 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)p (S/V)²p (S/V)f (S/V)p √(S/V)p (S/V)²p (S/V)f (S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing mechanism employed in a pan mixer is by Dispersion Mulling Kneading None of these Dispersion Mulling Kneading None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Decanters Hydrocyclones Thickeners Classifiers Decanters Hydrocyclones Thickeners Classifiers ANSWER DOWNLOAD EXAMIANS APP