Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt1/2 Δt5/4 Δt Δt2 Δt1/2 Δt5/4 Δt Δt2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is 4600 3000 9000 4000 4600 3000 9000 4000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Non-isothermal Both A and B Neither A and B Isothermal Non-isothermal Both A and B Neither A and B Isothermal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Painting the surface white (with aluminium paint) Painting the surface black Roughening the surface Giving the surface a mirror finish Painting the surface white (with aluminium paint) Painting the surface black Roughening the surface Giving the surface a mirror finish ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? 1 < 1 None of these > 1 1 < 1 None of these > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Planck's Kirchoffs Wien's displacement Stefan-Boltzman Planck's Kirchoffs Wien's displacement Stefan-Boltzman ANSWER DOWNLOAD EXAMIANS APP