Transition from laminar to turbulent zone in free convection heat
transfer is governed by the critical value of
(A) Grashoff number
(B) Grashoff number & Reynolds number
(C) Reynolds number
(D) Grashoff number & Prandtl number
transfer is governed by the critical value of
(A) Grashoff number
(B) Grashoff number & Reynolds number
(C) Reynolds number
(D) Grashoff number & Prandtl number