Mechanical Operations A tube mill as compared to a ball mill All of these Employs smaller balls Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Employs smaller balls Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the porosity Increase the compressibility co-efficient Decrease the compressibility co-efficient Increase the porosity Decrease the porosity Increase the compressibility co-efficient Decrease the compressibility co-efficient Increase the porosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 16° 40° 32° 46° 16° 40° 32° 46° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for the transportation of 200 mesh size particles is a Belt conveyor Screw conveyor Pneumatic conveyor Bucket elevator Belt conveyor Screw conveyor Pneumatic conveyor Bucket elevator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.6 0.1 0.4 None of these 0.6 0.1 0.4 None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is (π/6)1/2 (π/6)1/3 π/3 π (π/6)1/2 (π/6)1/3 π/3 π ANSWER DOWNLOAD EXAMIANS APP
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