The quantity Cp/k, where is the absolute gas viscosity, Cp is the specific heat of gas at constant pressure and k is the thermal conductivity is called as _________

The quantity Cp/k, where is the absolute gas viscosity, Cp is the s

1.	The quantity Cp/k, where is the absolute gas viscosity, Cp is the specific heat of gas at constant pressure and k is the thermal conductivity is called as _________
A.	Nusselt number
B.	Bartz number
C.	Prandtl number
D.	Froude number
Answer» D. Froude number

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