Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Compartment mill Rod mill Tube mill Pebble mill Compartment mill Rod mill Tube mill Pebble mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Decreases Increases Increases linearly Is not affected Decreases Increases Increases linearly Is not affected ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 4/D.p 12/D.p 6/D.p 2/D.p 4/D.p 12/D.p 6/D.p 2/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π (π/6)1/2 (π/6)1/3 π/3 π (π/6)1/2 (π/6)1/3 π/3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Classification Jigging Tabling Froth floatation Classification Jigging Tabling Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Pebble mill Compartment mill Rod mill Cage mill Pebble mill Compartment mill Rod mill Cage mill ANSWER DOWNLOAD EXAMIANS APP
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