Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Collector Activator Frother Modifier Collector Activator Frother Modifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Lead Alloy steel Forged/cast steel Cast iron Lead Alloy steel Forged/cast steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an Hydrocyclones Bag filter Venturi scrubber Air filter Hydrocyclones Bag filter Venturi scrubber Air filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of filter medium resistance is Gm/cm⁻¹ Gm⁻¹ Cm⁻¹ Cm/gm⁻¹ Gm/cm⁻¹ Gm⁻¹ Cm⁻¹ Cm/gm⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by AD/V π/6(=V/D³) π(=A/D²) 2π(=2A/D²) AD/V π/6(=V/D³) π(=A/D²) 2π(=2A/D²) ANSWER DOWNLOAD EXAMIANS APP
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