Which of the following statements correctly defines the term Hydrodynamic Cavitation?

[A] It is a process by which shale gas is extracted from the sedimentary rocks.

[B] It refers to a process which occurs in a flowing liquid as a result of a decrease and subsequent increase in local pressure.

[C] A mechanical procedure employed in cleaning up of an oil spill over the surface of the Ocean.

[D] A geomorphic process which results in the creation of weathering and erosion landforms.

Answer: B

Notes:

Indian scientists have developed a new sustainable and affordable solution for converting keratin waste such as human hair, wool, and poultry feathers to fertilizers, pet, and animal feeds.
They used advanced oxidation for the conversion of the waste to marketable fertilizers and animal feed. The key technology behind this involves pre-treatment followed by hydrolysis of keratin using a technique called Hydrodynamic Cavitation, which involves vaporization, bubble generation, and bubble implosion in a flowing liquid.
Hydrodynamic Cavitation is a process of vaporisation, bubble generation and bubble implosion which occurs in a flowing liquid as a result of a decrease and subsequent increase in local pressure. Cavitation will only occur if the local pressure declines below the saturated saturated vapor pressure of the liquid.

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