GATE Mechanical Engineering (ME) 2022 Shift 2 Solved Paper

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Question : 25 of 65

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Which of the following non-dimensional terms is an estimate of Nusselt number?

Ratio of internal thermal resistance of a solid to the boundary layer thermal resistance
Ratio of the rate at which internal energy is advected to the rate of conduction heat transfer
Non-dimensional temperature gradient
Non-dimensional velocity gradient multiplied by Prandtl number

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