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. Linear Logarithmic Hyperbolic Parabolic Linear Logarithmic Hyperbolic Parabolic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is >1 between 0 and 1 0 1 >1 between 0 and 1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. No effect on None of these Decreased Increased No effect on None of these Decreased Increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. transition None of the listed here highly turbulent laminar transition None of the listed here highly turbulent laminar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? dowtherm liquid metal None of the listed here mercury dowtherm liquid metal None of the listed here mercury ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its temperature None of the listed here both temperature & porosity porosity temperature None of the listed here both temperature & porosity porosity ANSWER DOWNLOAD EXAMIANS APP