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 = 6 Vp/dp sp Φs = dp Sp/Vp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = Vp/dp sp Φs = 6 dp Sp/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Run either at the same or different speeds Are rotated towards each other Have the same diameter All of these Run either at the same or different speeds Are rotated towards each other Have the same diameter All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Properties of the cake & the filtrate Resistance of the cake & the septum Pressure drop & area of filtering surface None of these Properties of the cake & the filtrate Resistance of the cake & the septum Pressure drop & area of filtering surface None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor. Belt Apron Flight Screw Belt Apron Flight Screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials. Screw Apron Bucket Belt Screw Apron Bucket Belt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 18 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 18 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 6.35 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
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