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Statement 1: Continuous Rotary vacuum filter press has a high labor cost. Statement 2: Continuous Rotary vacuum filter press has a high clogging.
A rotary drum filter with 30% submergence is used to filter concentrated aqueous slurry of calcium carbonate containing 15lb of solids per cubic foot of water. The pressure–drop is 2011Hg. If the filter cake contains 50% mixture (wet basis), calculate the filter area required to filter 10 gal/min of slurry. The filter cycle time is 5 min. The specific cake resistance depends on the pressure–drop as: α (ft/lb) = α (Δp)0.26, where α = 2.90×1010 Viscosity of the filtrate = 6.72×10-4 lb/ft-s. Density of calcium carbonate = 168.8 lb/ft3. Neglect filter medium resistance.
Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter.
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
Butterworth lowpass filter has a parameter, filter order, determining its functionality as very sharp or very smooth filter function or an intermediate filter function. If the parameter value is very high, the filter approaches to which of the following filter(s)?
Butterworth lowpass filter has a parameter, filter order, determining its functionality as very sharp or very smooth filter function or an intermediate filter function. If the parameter value is of lower order, the filter approaches to which of the following filter(s)?
Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm c) is proportional to __________ and the cycle time (where, $$\mu $$ = filtrate viscosity, Rm = filter medium resistance, Rc = cake resistance ).
The filter order of a Butterworth lowpass filter determines whether it is a very sharp or extremely smooth filter function, or an intermediate filter function. Which of the following filters does the filter approach if the parameter value is very high?
The figure shows the plot of y as a function of x
Differential Equations mcq question image
The function shown is the solution of the differential equation (assuming all initial conditions to be zero) is
Which of the following option is true about rotary tables? Statement 1: Index is not used with optical rotary table. Statement 2: Accurate worm and gear rotary table can be used with an index plate.