Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Decreases May increase or decrease; depends on the machine Increases Remains unchanged Decreases May increase or decrease; depends on the machine Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Ribbon conveyor Bucket elevators Flight conveyor Drag conveyor Ribbon conveyor Bucket elevators Flight conveyor Drag conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = Vp/dp sp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = Vp/dp sp Φs = 6 Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Energy absorbed by the solid to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Energy absorbed by the solid to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on All of these The density of the material being ground Its speed Its ball load All of these The density of the material being ground Its speed Its ball load ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Venturi Co-current Hollow wet Packed wet Venturi Co-current Hollow wet Packed wet ANSWER DOWNLOAD EXAMIANS APP
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