Mechanical Operations The unit of filter medium resistance is Cm⁻¹ Gm/cm⁻¹ Cm/gm⁻¹ Gm⁻¹ Cm⁻¹ Gm/cm⁻¹ Cm/gm⁻¹ Gm⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Thickeners Classifiers Rotary drum filters Cyclones Thickeners Classifiers Rotary drum filters Cyclones ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Equivalent diameter of a particle is the diameter of the sphere having the same Ratio of surface to volume as the actual volume Volume as the particle None of these Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume Volume as the particle None of these Ratio of volume to surface as the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 0.5 Wi Wi 1.34 Wi 3.34 Wi 0.5 Wi Wi 1.34 Wi 3.34 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Cyclone separator None of these Electrostatic precipitator Strainer Cyclone separator None of these Electrostatic precipitator Strainer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 1000°C and 10 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 500 atm 1000°C and 10 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 500 atm ANSWER DOWNLOAD EXAMIANS APP
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