The Rayleigh number Ra, is defined as: (where Gr is Grashof Number, Pr – McqOptions

MCQOPTIONS

1.	The Rayleigh number Ra, is defined as: (where Gr is Grashof Number, Pr is Prandtl Number and Re is Reynold Number)
A.	Ra = Re Pr
B.	Ra = Gr Re
C.	Ra = Re Pr
D.	Ra = Gr Pr
Answer» E.

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