Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels separate a mixture of particles depending on their Electrical & magnetic properties Size Density Wettability Electrical & magnetic properties Size Density Wettability 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 Air filter Venturi scrubber Bag filter Hydrocyclones Air filter Venturi scrubber Bag filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Curved blade turbine Propeller Flat blade turbine Helical screw Curved blade turbine Propeller Flat blade turbine Helical screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A fluid energy mill is used for Cutting Grinding Crushing Ultra grinding Cutting Grinding Crushing Ultra grinding 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. 500°C and 50 atm 1000°C and 500 atm 1000°C and 10 atm 200°C and 5 atm 500°C and 50 atm 1000°C and 500 atm 1000°C and 10 atm 200°C and 5 atm ANSWER DOWNLOAD EXAMIANS APP