Heat Transfer Dropwise condensation occurs on __________ surfaces contaminated cooling polished clean and dirt free smooth clean contaminated cooling polished clean and dirt free smooth clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop Gives a lower shell side pressure drop None of these Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop Gives a lower shell side pressure drop None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Hyperbolic Linear Parabolic Logarithmic Hyperbolic Linear Parabolic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Transient heat conduction Forced convection Natural convection Radiation Transient heat conduction Forced convection Natural convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt2 Δt1/2 Δt Δt5/4 Δt2 Δt1/2 Δt Δt5/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Solids Liquids Gases Both solids & liquids Solids Liquids Gases Both solids & liquids ANSWER DOWNLOAD EXAMIANS APP
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