Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Lower maintenance cost Less heating surface More space None of these Lower maintenance cost Less heating surface More space None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Stefan-Boltzman constant Thermal conductivity Thermal diffusivity Heat transfer co-efficient Stefan-Boltzman constant Thermal conductivity Thermal diffusivity Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. None of these Planck's Fourier's Kirchoffs None of these Planck's Fourier's Kirchoffs ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Boiling of a liquid on a hot surface Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation Boiling of a liquid on a hot surface Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation 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 High pressure Vacuum Backward feed None of these High pressure Vacuum Backward feed ANSWER DOWNLOAD EXAMIANS APP
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