Heat Transfer Analogy between mass and heat transfer is not applicable in case of Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Thermal or pressure mass diffusion Both B and C Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Thermal or pressure mass diffusion Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Peclet Stanton Graetz None of these Peclet Stanton Graetz None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place directly at the heating surface, it is called all of the listed here vapour binding nucleate boiling film boiling all of the listed here vapour binding nucleate boiling film boiling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Remains same Decreases Increases May increase or decrease depending on the type of gas Remains same Decreases Increases May increase or decrease depending on the type of gas 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. None of the listed here transition laminar highly turbulent None of the listed here transition laminar highly turbulent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 1 to 103 0.6 to 120 0.06 to 120 l to 50 1 to 103 0.6 to 120 0.06 to 120 l to 50 ANSWER DOWNLOAD EXAMIANS APP
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