Heat Transfer Analogy between mass and heat transfer is not applicable in case of Thermal or pressure mass diffusion Same velocity profile or equal eddy diffusivities Both B and C Viscous heating or chemical reaction Thermal or pressure mass diffusion Same velocity profile or equal eddy diffusivities Both B and C Viscous heating or chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is 1 0.5 > 2 1.5 1 0.5 > 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Re/Pr Pe = Pr/Re Pe = Nu.Re Pe = Re.Pr Pe = Re/Pr Pe = Pr/Re Pe = Nu.Re Pe = Re.Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. Saturated Undersaturated All of these Supersaturated Saturated Undersaturated All of these Supersaturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Increases exponentially Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, Results in abruptly increased velocity None of these Results in making part of the heating surface inactive Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive Provide very large heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
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