Heat Transfer In SI units, fouling factor is expressed in m°K/W m²°K W/m²°K m²°K/W m°K/W m²°K W/m²°K m²°K/W ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. None of these Long tube High pressure Falling film None of these Long tube High pressure Falling film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling is usually not desired in commercial equipments, because it is not economic it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ none of the listed here it is not economic it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions ? Assume that the conductive heat transfer co-efficient is infinitely large. 20 minutes 40 minutes 5 minutes 10 minutes 20 minutes 40 minutes 5 minutes 10 minutes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. None of these Wavelength of radiation Temperature of the body Nature of the body None of these Wavelength of radiation Temperature of the body Nature of the body ANSWER DOWNLOAD EXAMIANS APP
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