Heat Transfer The unit of heat transfer co-efficient in SI unit is J/M2°K W/m2°K J/m°K W/m°K J/M2°K W/m2°K J/m°K W/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Decrease the pressure drop Avoid buckling of tubes Provide support for tubes Facilitate its lengthening, if needed Decrease the pressure drop Avoid buckling of tubes Provide support for tubes Facilitate its lengthening, if needed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? None of these When fluid flows past a smooth surface At high fluid velocity At low velocity None of these When fluid flows past a smooth surface At high fluid velocity At low velocity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves 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 Only counter-flow of fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid none of the listed here for fluids in laminar flow when Grashhoff number is very important for fluids in tubulent flow none of the listed here for fluids in laminar flow when Grashhoff number is very important for fluids in tubulent flow ANSWER DOWNLOAD EXAMIANS APP
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 Geometric Logarithmic Arithmetic Either A, B or C Geometric Logarithmic ANSWER DOWNLOAD EXAMIANS APP
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