Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Temperature of the body None of these Nature of the body Wavelength of radiation Temperature of the body None of these Nature of the body Wavelength of radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is 0.8 0.2 0.4 0.6 0.8 0.2 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Coal Iron Nitrogen Tar Coal Iron Nitrogen Tar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. None of these Backward feed Vacuum High pressure None of these Backward feed Vacuum High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Boiling of a liquid on a hot surface Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Boiling of a liquid on a hot surface Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is None of these < 1 1 > 1 None of these < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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