Mechanical Operations Helical screw agitator is used for Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) None of these Mixing highly viscous pastes Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) None of these Mixing highly viscous pastes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Gyratory crusher Tube mill Toothed roll crusher Ball mill Gyratory crusher Tube mill Toothed roll crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyors are also called scrapers. Helical flight Screw Both B & C Apron Helical flight Screw Both B & C Apron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Classification Sedimentation Decantation Flocculation Classification Sedimentation Decantation Flocculation 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
Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Minimum size Cast iron Elliptical Maximum size Minimum size Cast iron Elliptical Maximum size ANSWER DOWNLOAD EXAMIANS APP