Mechanical Operations A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end. Compartment Rod Tube Pebble Compartment Rod Tube Pebble 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 Bag filter Cyclone separator Wet scrubber Electrostatic precipitator Bag filter Cyclone separator Wet scrubber Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Pulverisation Comminution Dispersion Compression Pulverisation Comminution Dispersion Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re0.0 Po ∝ Re-1.0 Po ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re0.0 Po ∝ Re-1.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gelatinous solid (which plug the septum) can be filtered by a __________ filter. Precoat Vacuum leaf Plate and frame Sparkler Precoat Vacuum leaf Plate and frame Sparkler ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shell and leaf filter as compared to plate and frame filter Facilitates filtration under higher pressure Entails less labor cost All of these Provides more effective washing Facilitates filtration under higher pressure Entails less labor cost All of these Provides more effective washing ANSWER DOWNLOAD EXAMIANS APP
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