Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π(=A/D²) AD/V π/6(=V/D³) None of these π(=A/D²) AD/V π/6(=V/D³) None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of 'angle of nip' is generally about 52° 64° 32° 16° 52° 64° 32° 16° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. Dry powders Thick pastes High viscosity liquids Lumpy solids and low viscosity liquids Dry powders Thick pastes High viscosity liquids Lumpy solids and low viscosity liquids 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). 6.V/D.S V/D.S V/6D.S S/V 6.V/D.S V/D.S V/6D.S S/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultrafine grinders operate principally by Slow compression Cutting action Attrition Impact Slow compression Cutting action Attrition Impact ANSWER DOWNLOAD EXAMIANS APP