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 tempeature follows __________ law. Hyperbolic Parabolic Linear Logarithmic Hyperbolic Parabolic Linear Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas May increase or decrease depending on the type of gas Remains same Increases Decreases May increase or decrease depending on the type of gas Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Lube oil Water Aqueous solution Liquid metal Lube oil Water Aqueous solution Liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Schmidt number Nusselt number Prandtl number Heat flux Schmidt number Nusselt number Prandtl number Heat flux ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ t ∝ √t ∝ 1/t Independent of 't' ∝ t ∝ √t ∝ 1/t Independent of 't' ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 1 2 0.5 1 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
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