_ Prandtl number is the reciprocal of$? – McqOptions

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1.	_ Prandtl number is the reciprocal of$?
A.	Thermal diffusivity/Momentum diffusivity
B.	Thermal diffusivity x Momentum
C.	Thermal diffusivity x Mass diffusivity
D.	Mass diffusivity x Momentum diffusivity
Answer» B. Thermal diffusivity x Momentum

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