Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.007 0.014 0.3 50 0.007 0.014 0.3 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 2250 460 230 1125 2250 460 230 1125 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tank filter (e.g., Nutsch filter) is A continuous filter A high pressure filter Used for small scale filtration work A leaf filter A continuous filter A high pressure filter Used for small scale filtration work A leaf filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 5 5000 500 50 5 5000 500 50 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. 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 200°C and 5 atm 1000°C and 500 atm 500°C and 50 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow. None of these Plug Laminar Turbulent None of these Plug Laminar Turbulent ANSWER DOWNLOAD EXAMIANS APP