Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Limestone Asbestos Non-metallic ores Rubber Limestone Asbestos Non-metallic ores Rubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about 2 to 5° 5 to 10° 1 to 2° 10 to 15° 2 to 5° 5 to 10° 1 to 2° 10 to 15° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/D.S V/6D.S 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Slightly more than Less than Much more than At least equal to Slightly more than Less than Much more than At least equal to ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 4 to 5 2 to 3.5 0.01 to 0.1 0.5 to 1.5 4 to 5 2 to 3.5 0.01 to 0.1 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 43832 60 - 75 15 - 20 40 - 50 43832 60 - 75 15 - 20 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
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