Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Filtration Humidification Size enlargement Agitation Filtration Humidification Size enlargement Agitation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For classification of potable (drinking) water, we use a __________ filter. Vacuum leaf Rotary vacuum Plate and frame Gravity sand Vacuum leaf Rotary vacuum Plate and frame Gravity sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Ultrafine Dry Intermediate Wet Ultrafine Dry Intermediate Wet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a vacuum filter? Tank filter (Nutsch filter) Rotary disc filter Batch basket centrifuge Filter press Tank filter (Nutsch filter) Rotary disc filter Batch basket centrifuge Filter press ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ ΔP Independent of ΔP ∝ √ΔP ∝ 1/ ΔP ∝ ΔP Independent of ΔP ∝ √ΔP ∝ 1/ ΔP 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 ∝ 1/NRe Np ∝ NRe Np → constant Np ∝ √NRe Np ∝ 1/NRe Np ∝ NRe Np → constant ANSWER DOWNLOAD EXAMIANS APP
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