Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Arithmetic Either A, B or C Logarithmic Geometric Arithmetic Either A, B or C Logarithmic Geometric ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor Increases May increase or decrease ; depending on temperature Decreases Remains unchanged Increases May increase or decrease ; depending on temperature Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Heat transfer area None of these Nusselt number Heating volume Heat transfer area None of these Nusselt number Heating volume ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Both B and C Is almost independent of pressure Is almost independent of temperature Increases rapidly with temperature rise Both B and C Is almost independent of pressure Is almost independent of temperature Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Decrease by 22 Remain unchanged Increase by 216 Increase by 1.8 times Decrease by 22 Remain unchanged Increase by 216 Increase by 1.8 times ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves Only counter-flow of fluids Only parallel-flow of fluids Both counter and parallel-flow of the fluids Smaller pressure drop compared to 1-2 exchanger Only counter-flow of fluids Only parallel-flow of fluids Both counter and parallel-flow of the fluids Smaller pressure drop compared to 1-2 exchanger ANSWER DOWNLOAD EXAMIANS APP
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