Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np → constant Np ∝ √NRe Np ∝ 1/NRe Np ∝ NRe Np → constant Np ∝ √NRe Np ∝ 1/NRe Np ∝ NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Are rotated towards each other Have the same diameter All of these Run either at the same or different speeds Are rotated towards each other Have the same diameter All of these Run either at the same or different speeds ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Classifiers Decanters Hydrocyclones Thickeners Classifiers Decanters Hydrocyclones Thickeners ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Characteristics of the feed slurry Cake thickness Neither A nor B Both A & B Characteristics of the feed slurry Cake thickness Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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 Electrostatic precipitator Cyclone separator Bag filter Wet scrubber Electrostatic precipitator Cyclone separator Bag filter Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For transporting pasty material, one will use a/an Screw colaveyor Apron conveyor Bucket elevator Belt conveyor Screw colaveyor Apron conveyor Bucket elevator Belt conveyor ANSWER DOWNLOAD EXAMIANS APP