Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The new surface created The change in volume due to crushing The size reduction ratio None of these The new surface created The change in volume due to crushing The size reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Screw conveyor Pneumatic conveyor Apron conveyor Belt conveyor Screw conveyor Pneumatic conveyor Apron conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Act as a support base for the septum Decrease the pressure drop Increase the rate of filtration Increase the porosity of the cake Act as a support base for the septum Decrease the pressure drop Increase the rate of filtration Increase the porosity of the cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Middling Concentrate None of these Tailing Middling Concentrate None of these Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyors are also called scrapers. Apron Both B & C Screw Helical flight Apron Both B & C Screw Helical flight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of asbestos and mica is done by Rod mills Hammer mills Gyratory crushers Crushing rolls Rod mills Hammer mills Gyratory crushers Crushing rolls ANSWER DOWNLOAD EXAMIANS APP
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