Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Either A, B or C Geometric Logarithmic Arithmetic Either A, B or C Geometric Logarithmic Arithmetic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Decreases Increases Remains unchanged Increases or decreases depending on number of shell passes Decreases Increases Remains unchanged Increases or decreases depending on number of shell passes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Crystallisation of solids from a homogeneous solution is a/an __________ process. Exothermic Highly endothermic None of these Mildly endothermic Exothermic Highly endothermic None of these Mildly endothermic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum thermal conductivity? Tar Nitrogen Steel Carbon black Tar Nitrogen Steel Carbon black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Lower than Is same as Half Greater than Lower than Is same as Half Greater than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, None of these Provide very large heat transfer co-efficient Results in abruptly increased velocity Results in making part of the heating surface inactive None of these Provide very large heat transfer co-efficient Results in abruptly increased velocity Results in making part of the heating surface inactive ANSWER DOWNLOAD EXAMIANS APP
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