Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the All of these Depth of liquid over heating surface Pressure difference between steam chest and vapour space Feed All of these Depth of liquid over heating surface Pressure difference between steam chest and vapour space Feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For an ideal black body Reflectivity = 1 Transmissivity = 1 Absorptivity = 1 Emissivity = 0 Reflectivity = 1 Transmissivity = 1 Absorptivity = 1 Emissivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Stefan-Boltzman law Kirchhoffs law Planck's law Wien's law Stefan-Boltzman law Kirchhoffs law Planck's law Wien's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing High pressure High residence time Vacuum None of these High pressure High residence time Vacuum None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Highest in last effect Same in all effects Dependent on the number of effects Lowest in last effect Highest in last effect Same in all effects Dependent on the number of effects Lowest in last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by kL/mCp mCp/kμ kμ/mCp mCp/kL kL/mCp mCp/kμ kμ/mCp mCp/kL ANSWER DOWNLOAD EXAMIANS APP
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