Heat Transfer Film boiling is usually not desired in commercial equipments, because none of the listed here the heat transfer rate is low in view of the large temperature drop. @ it is difficult to maintain it is not economic none of the listed here the heat transfer rate is low in view of the large temperature drop. @ it is difficult to maintain it is not economic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Grashhoff number Reynolds number none of the listed here Prandtl number Grashhoff number Reynolds number none of the listed here Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is Uniformly distributed throughout the fluid None of these In the central core of the fluid Mainly confined to a thin film of fluid near the surface Uniformly distributed throughout the fluid None of these In the central core of the fluid Mainly confined to a thin film of fluid near the surface 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 Occupies smaller space Is more economical Is easy to operate and maintain All of these Occupies smaller space Is more economical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Only volumes and not to surfaces Total radiation only Both A and B Monochromatic radiation only Only volumes and not to surfaces Total radiation only Both A and B Monochromatic radiation only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Increases exponentially Decreases Increases Remains unaffected Increases exponentially Decreases Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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