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Is Nusselt numberconsidered as a dimensionless quantity?

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+1 vote
in Food Processing Unit Operations by (110k points)
Is Nusselt numberconsidered as a dimensionless quantity?

(a) True

(b) False

The question was posed to me during an online interview.

My doubt stems from Dimensions and Units topic in chapter Introduction & Unit Systems of Food Processing Unit Operations

1 Answer

+2 votes
by (736k points)
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Best answer
Right choice is (a) True

Explanation: Nusselt number is considered as dimensionless quantity which is used in calculation of the heat transfer between a moving fluid and a solid body. It is defined as the ratio of convective to conductive heat transfer across a boundary.

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