Which of the following is not conserved for the flow of an incompressible liquid in a pipe with variable area?(a) Mass(b) Volume(c) Velocity(d) Flow RateThe question was posed to me in a job interview.The origin of the question is Flow Rate in chapter Moles, Density & Concentration of Basic Chemical Engineering

Which of the following is not conserved for the flow of an incompressi

1.	Which of the following is not conserved for the flow of an incompressible liquid in a pipe with variable area?(a) Mass(b) Volume(c) Velocity(d) Flow RateThe question was posed to me in a job interview.The origin of the question is Flow Rate in chapter Moles, Density & Concentration of Basic Chemical Engineering
Answer» CORRECT answer is (C) Velocity The best I can explain: According to the equation of CONTINUITY, the product of area and velocity REMAINS constant throughout the pipe, since the area of the pipe is VARIABLE, so the velocity if the liquid is variable.

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