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 None of these Wavelength of radiation Nature of the body Temperature of the body None of these Wavelength of radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Reflects Absorbs None of these Transmits Reflects Absorbs None of these Transmits ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 5.6 3.5 0.0035 0.025 5.6 3.5 0.0035 0.025 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to f 2f f/2 f/4 f 2f f/2 f/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is W/m2°K J/m°K J/M2°K W/m°K W/m2°K J/m°K J/M2°K W/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is concerned with both heat and mass transfer ? Nusselt number Froude number Lewis relationship Kutateladze number Nusselt number Froude number Lewis relationship Kutateladze number ANSWER DOWNLOAD EXAMIANS APP
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