Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Pulverisation Compression Comminution Dispersion Pulverisation Compression Comminution Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Attrition Cutting Impact Compression Attrition Cutting Impact Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Activator Modifier Frother Collector Activator Modifier Frother Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust laden air can be purified using a Cyclone separator Bag filter Gravity settler Tubular centrifuge Cyclone separator Bag filter Gravity settler Tubular centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Screen size Centimetre Micron Surface area per unit mass Screen size Centimetre Micron ANSWER DOWNLOAD EXAMIANS APP
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