Chemical Engineering Basics
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Gr0.33, Gr0.25
Gr, Gr0.25
Gr0.25, Gr
Gr0.25, Gr0.33

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Chemical Engineering Basics
Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means

Writing off the obsolete machine/ property
Mortgaging the obsolete machine/property
Disposing off a machine/property on as is where is basis
Disposing off machine/property, which is no longer useful in the present scenerio

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