Heat Transfer The value of Stefan-Boltazman constant in SI unit is 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. Does not affect Decreases Increases May increase or decrease, depends on the type of baffle Does not affect Decreases Increases May increase or decrease, depends on the type of baffle 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. Wien's displacement Kirchoffs Stefan-Boltzman Planck's Wien's displacement Kirchoffs Stefan-Boltzman Planck's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Boiling of a liquid on a hot surface Heat transfer between two highly viscous liquids Condensation of the saturated vapor on a cold surface Concentration of a corrosive solution by evaporation Boiling of a liquid on a hot surface Heat transfer between two highly viscous liquids Condensation of the saturated vapor on a cold surface Concentration of a corrosive solution by evaporation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Peclet None of these Stanton Graetz Peclet None of these Stanton Graetz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, The relationship is not generalised There is no relationship between temperature drop and resistance The temperature drop is inversely proportional to the resistance across which the drop occurs The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised There is no relationship between temperature drop and resistance The temperature drop is inversely proportional to the resistance across which the drop occurs The temperature drops in the two fluids and the wall are proportional to individual resistances ANSWER DOWNLOAD EXAMIANS APP
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