Heat Transfer Grashhoff number is given by gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtP²μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtP²μ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. None of these Nature of the body Wavelength of radiation Temperature of the body None of these Nature of the body Wavelength of radiation Temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Passes through a maxima Increases Decreases Remains constant Passes through a maxima Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Conduction only Free and forced convection Forced convection and conduction Forced convection only Conduction only Free and forced convection Forced convection and conduction Forced convection only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Disappears Is thicker than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Disappears Is thicker than hydrodynamic boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of CO₂ Neither A nor B Dissolved O₂ Both A & B CO₂ Neither A nor B Dissolved O₂ Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS