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Filter pumps or aspirators  work on the principle of 

Filter pumps or aspirators  work on the principle of  Correct Answer Venturi-meter

CONCEPT:

Venturi-meter:

  • It is a device that is used to measure the flow speed of an incompressible liquid. It consists of a broad diameter tube and a small constriction at the middle. 

​Additional Information

  • Bunsen burner, atomizers, and sprayers used for perfumes or to spray insecticides work on Bernoulli's principle. 

Related Questions

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.
A, B and C are three small pumps fitted to a tank. D is a large pump fitted to the tank. Pump B is 25% more efficient than A. Pump C is 20% more efficient than B. Pump D is 4/3rd efficient of pump C. All of the pumps are used to fill the tank. What is the ratio of the time taken by pumps A and B to fill the tank together to the time taken by the pumps B and D to fill the tank together?
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