Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Nature of the body Temperature of the body Wavelength of radiation None of these Nature of the body Temperature of the body Wavelength of radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) (ΔT)² (ΔT)⁴ (ΔT)³ √(ΔT) (ΔT)² (ΔT)⁴ (ΔT)³ √(ΔT) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone. Extremely low High Low No Extremely low High Low No ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, None of these Results in abruptly increased velocity Provide very large heat transfer co-efficient Results in making part of the heating surface inactive None of these Results in abruptly increased velocity Provide very large heat transfer co-efficient Results in making part of the heating surface inactive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is easy to operate and maintain All of these Is more economical Occupies smaller space Is easy to operate and maintain All of these Is more economical Occupies smaller space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators. Compressor Steam ejector Vacuum pump Entrainment separator Compressor Steam ejector Vacuum pump Entrainment separator ANSWER DOWNLOAD EXAMIANS APP
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