Mechanical Operations Froth floatation is the most suitable for treating Quartzite Iron ores None of these Sulphide ores Quartzite Iron ores None of these Sulphide ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its HGI Abrasion index Angle of repose Shatter index HGI Abrasion index Angle of repose Shatter index 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 Venturi scrubber Bag filter Air filter Hydrocyclones Venturi scrubber Bag filter Air filter Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Thickeners Cyclones Rotary drum filters Classifiers Thickeners Cyclones Rotary drum filters Classifiers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the None of these Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective None of these Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective 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)²p √(S/V)p (S/V)f (S/V)p (S/V)²p √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
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