Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). S/V 6.V/D.S V/6D.S V/D.S S/V 6.V/D.S V/6D.S V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not a revolving mill. Compartment Tube Cage Pebble Compartment Tube Cage Pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed None of these Assumption that all particles in a single fraction are equal in size Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed None of these Assumption that all particles in a single fraction are equal in size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is halved Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an Air filter Venturi scrubber Bag filter Hydrocyclones Air filter Venturi scrubber Bag filter Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Jaw crusher Roll crusher Cone crusher Gyratory crusher Jaw crusher Roll crusher Cone crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
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