Heat Transfer The Stefan-Boltzman constant depends on the Medium Surface Temperature None of these Medium Surface Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Remains constant Decreases Increases May increase or decrease ; depends on the material Remains constant Decreases Increases May increase or decrease ; depends on the material ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves Only parallel-flow of fluids Smaller pressure drop compared to 1-2 exchanger Both counter and parallel-flow of the fluids Only counter-flow of fluids Only parallel-flow of fluids Smaller pressure drop compared to 1-2 exchanger Both counter and parallel-flow of the fluids Only counter-flow of fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its None of these High specific heat Dense structure High proportion of air space None of these High specific heat Dense structure High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Aqueous solution Water Lube oil Liquid metal Aqueous solution Water Lube oil Liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Correction is applied to LMTD for __________ flow. Cross Parallel Counter None of these Cross Parallel Counter None of these ANSWER DOWNLOAD EXAMIANS APP
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