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Which property of the fluid accounts for the major losses in pipes?

(a) density

(b) specific gravity

(c) viscosity

(d) compressibility

This question was posed to me in an online interview.

This interesting question is from Loss of Energy in Pipes topic in chapter Flow Through Pipes of Fluid Mechanics

1 Answer

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Best answer
Right option is (c) viscosity

The explanation: The major loss for the flow through the pipes is due to the frictional resistance between adjacent fluid layers sliding over each other. This resistance arises due to the presence of viscous property of the fluid.

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