Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Wet scrubber Electrostatic precipitator Cyclone separator Bag filter Wet scrubber Electrostatic precipitator Cyclone separator Bag filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Sedimentation Dispersion Centrifugation Flocculation Sedimentation Dispersion Centrifugation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as impactors. Hammer Rolling-compression Cage None of these Hammer Rolling-compression Cage None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 2 12 20 8 2 12 20 8 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher length/diameter ratio Produces a coarser product Has a higher diameter/length ratio Uses much larger balls Has a higher length/diameter ratio Produces a coarser product Has a higher diameter/length ratio Uses much larger balls ANSWER DOWNLOAD EXAMIANS APP
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