Heat Transfer Natural convection is characterised by Grashhoff number Peclet number Reynolds number Prandtl number Grashhoff number Peclet number Reynolds number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Transmissivity = 1 Absorptivity = 0 Reflectivity = 0 All of these Transmissivity = 1 Absorptivity = 0 Reflectivity = 0 All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? None of these Dittus-Boeltier equation Sieder-Tate equation Nusselt equation None of these Dittus-Boeltier equation Sieder-Tate equation Nusselt equation ANSWER DOWNLOAD EXAMIANS APP
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 A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, Both B & C Both the spheres will emit equal amount of radiation per unit time in the beginning Both will absorb equal amount of radiation from the surrounding in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both B & C Both the spheres will emit equal amount of radiation per unit time in the beginning Both will absorb equal amount of radiation from the surrounding in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Feed temperature Both B & C Number of effect Steam pressure Feed temperature Both B & C Number of effect Steam pressure ANSWER DOWNLOAD EXAMIANS APP
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