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)? Helical screw Curved blade turbine Flat blade turbine Propeller Helical screw Curved blade turbine Flat blade turbine Propeller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . Vp/ρ M/ρ . Vp Vp/m . ρ M . ρ/Vp M . Vp/ρ M/ρ . Vp Vp/m . ρ M . ρ/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Compartment Rod and tube All of these Ball and pebble Compartment Rod and tube All of these Ball and pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. At least equal to Less than Much more than Slightly more than At least equal to Less than Much more than Slightly more than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Sodium silicate Alumina Lime Quartz Sodium silicate Alumina Lime Quartz ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tank filter (e.g., Nutsch filter) is A high pressure filter A continuous filter Used for small scale filtration work A leaf filter A high pressure filter A continuous filter Used for small scale filtration work A leaf filter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS