Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Grashoff Reynolds Prandtl & Grashoff Both A & B Grashoff Reynolds Prandtl & Grashoff Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Is thinner than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Disappears Is thicker than hydrodynamic boundary layer Is thinner than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Disappears Is thicker than hydrodynamic boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is 0.5 1 > 2 1.5 0.5 1 > 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mechanical recompression evaporation is used in the production of Salt Alcohol Fruits jam Distilled water Salt Alcohol Fruits jam Distilled water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt2 Δt Δt5/4 Δt1/2 Δt2 Δt Δt5/4 Δt1/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, None of these Provide very large heat transfer co-efficient Results in abruptly increased velocity Results in making part of the heating surface inactive None of these Provide very large heat transfer co-efficient Results in abruptly increased velocity Results in making part of the heating surface inactive ANSWER DOWNLOAD EXAMIANS APP
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