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 10 atm 1000°C and 500 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 10 atm 1000°C and 500 atm 500°C and 50 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumption in a crusher decreases with increase in the All of these Size of feed (at constant reduction ratio) Size of the product (at constant feed size) Capacity of the crushing machine All of these Size of feed (at constant reduction ratio) Size of the product (at constant feed size) Capacity of the crushing machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases Remains constant Increases linearly Decreases Increases Remains constant Increases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Plate and frame filter press Sand bed filter Batch basket centrifuge Vacuum filter Plate and frame filter press Sand bed filter Batch basket centrifuge Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The maximum slope of a belt conveyor can be 30° 15° 45° 60° 30° 15° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Gravity settling chamber Venturi atomiser Cyclone separator Electro-static precipitator Gravity settling chamber Venturi atomiser Cyclone separator Electro-static precipitator ANSWER DOWNLOAD EXAMIANS APP