Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Partial ionisation Low density High viscosity Dense structure Partial ionisation Low density High viscosity Dense structure 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 Stefan-Boltzman Kirchoffs Wien's displacement Planck's Stefan-Boltzman Kirchoffs Wien's displacement ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thickness of condensate layer in filmwise condensation depends on the Surface configuration Liquid flow rate from the surface Condensation rate All of these Surface configuration Liquid flow rate from the surface Condensation rate All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is More Some Either more or less ; depends on the nature of vapor Less More Some Either more or less ; depends on the nature of vapor Less ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Average Product Sum Geometric mean Average Product Sum Geometric mean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? All of these Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient All of these Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP