Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Geometric mean area Arithmetic mean area None of the listed here Logarithmic mean area Geometric mean area Arithmetic mean area None of the listed here Logarithmic mean area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube Exit fluid temperature = wall temperature Graetz number > 100 Exit fluid temperature < wall temperature Exit-fluid temperature > wall temperature Exit fluid temperature = wall temperature Graetz number > 100 Exit fluid temperature < wall temperature Exit-fluid temperature > wall temperature ANSWER DOWNLOAD EXAMIANS APP
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 not economic it is difficult to maintain none of the listed here the heat transfer rate is low in view of the large temperature drop. @ it is not economic it is difficult to maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A graph between __________ is called Wilson plot. 1/U Vs . 1/v0.8 V0.8 Vs . U 1/v0.8 Vs . U 1/U Vs . 1/V 1/U Vs . 1/v0.8 V0.8 Vs . U 1/v0.8 Vs . U 1/U Vs . 1/V ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Nusselt number Schmidt number Heat flux Prandtl number Nusselt number Schmidt number Heat flux Prandtl number ANSWER DOWNLOAD EXAMIANS APP
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