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 Bag filter Cyclone separator Electrostatic precipitator Wet scrubber Bag filter Cyclone separator Electrostatic precipitator Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration Remains constant Decreases gradually Increases continuously None of these Remains constant Decreases gradually Increases continuously None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.4 0.6 0.1 None of these 0.4 0.6 0.1 None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product None of these Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product None of these Ratio of feed opening to discharge opening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Neither A nor B Both A & B Finer products Enhanced production rate Neither A nor B Both A & B Finer products Enhanced production rate ANSWER DOWNLOAD EXAMIANS APP
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