Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is 1 >1 Zero <1 1 >1 Zero <1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. transition None of the listed here highly turbulent laminar transition None of the listed here highly turbulent laminar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves Only counter-flow of fluids Both counter and parallel-flow of the fluids Only parallel-flow of fluids Smaller pressure drop compared to 1-2 exchanger Only counter-flow of fluids Both counter and parallel-flow of the fluids Only parallel-flow of fluids Smaller pressure drop compared to 1-2 exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Increased None of these No effect on Decreased Increased None of these No effect on Decreased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Planck's Wien's displacement Kirchoffs Stefan-Boltzman Planck's Wien's displacement Kirchoffs Stefan-Boltzman ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High specific heat High proportion of air space Dense structure None of these High specific heat High proportion of air space Dense structure None of these ANSWER DOWNLOAD EXAMIANS APP
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