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. Parabolic Hyperbolic Linear Logarithmic Parabolic Hyperbolic Linear Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is L < 1 0.1 >1 L < 1 0.1 >1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Temperature difference between the two surfaces of the wall Thickness of the wall Area of the wall perpendicular to heat flow Material of the wall Temperature difference between the two surfaces of the wall Thickness of the wall Area of the wall perpendicular to heat flow Material of the wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the Temperature Surface None of these Medium Temperature Surface None of these Medium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid None of these Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid None of these Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Increases or decreases depending on number of shell passes Decreases Remains unchanged Increases Increases or decreases depending on number of shell passes Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
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