Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 3 85 30 25 3 85 30 25 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The porosity of a compressible cake is Minimum at the upstream face Minimum at the filter medium Same throughout the thickness of cake Maximum at the filter medium Minimum at the upstream face Minimum at the filter medium Same throughout the thickness of cake Maximum at the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process opposite to 'dispersion' is termed as the Sedimentation None of these Filtration Flocculation Sedimentation None of these Filtration Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Vortexing Both A & B Swirling Neither A nor B Vortexing Both A & B Swirling Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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. 0.014 0.007 50 0.3 0.014 0.007 50 0.3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS