Heat Transfer With increase in temperature, the thermal conductivity of steel Decreases Increases exponentially Remains unchanged Increases Decreases Increases exponentially Remains unchanged Increases 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. Stefan-Boltzman Planck's Kirchoffs Wien's displacement Stefan-Boltzman Planck's Kirchoffs Wien's displacement 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 < 1 L 0.1 >1 < 1 L 0.1 >1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) K/h0 hi/K 2K/h0 2hi/K K/h0 hi/K 2K/h0 2hi/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Forced convection only Conduction only Free and forced convection Forced convection and conduction Forced convection only Conduction only Free and forced convection Forced convection and conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be > 1 < 1 1 Between 0 and 1 > 1 < 1 1 Between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
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