Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? All of these Jet mills Fluid energy mill Micronizer All of these Jet mills Fluid energy mill Micronizer ANSWER DOWNLOAD EXAMIANS APP
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 ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Vacuum leaf Sparkler Open sand Plate and frame Vacuum leaf Sparkler Open sand Plate and frame ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. Terminal velocities in the same fluid & in the same field of force Specific gravity Size None of these Terminal velocities in the same fluid & in the same field of force Specific gravity Size None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gravity settling process is not involved in the working of a Dorr-thickener Sedimentation tank Hydrocyclone Classifier Dorr-thickener Sedimentation tank Hydrocyclone Classifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N¹ N³ N² N° N¹ N³ N² N° ANSWER DOWNLOAD EXAMIANS APP
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