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. 200°C and 5 atm 1000°C and 500 atm 500°C and 50 atm 1000°C and 10 atm 200°C and 5 atm 1000°C and 500 atm 500°C and 50 atm 1000°C and 10 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Decreases Is not affected Increases linearly Increases Decreases Is not affected Increases linearly Increases 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 Air filter Hydrocyclones Venturi scrubber Bag filter Air filter Hydrocyclones Venturi scrubber Bag filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.V.ρ 3.6 D.V.ρ 3.6 W.D.V.ρ 3.6 W.D.V. 3.6 W.V.ρ 3.6 D.V.ρ 3.6 W.D.V.ρ 3.6 W.D.V. ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Compartment mill Pebble mill Tube mill Rod mill Compartment mill Pebble mill Tube mill Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is 2 1 >1 2 1 >1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS