Heat and Mass Transfer Unit of thermal diffusivity is kcal/m² hr m²/hr m²/hr °C kcal/m. hr °C kcal/m² hr m²/hr m²/hr °C kcal/m. hr °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The highest thermal diffusivity is of Concrete Lead Wood Iron Concrete Lead Wood Iron ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In counter flow heat exchangers Both the fluids at inlet (of heat exchanger where hot fluid enters) are in their coldest state Both the fluids at exit are in their hottest state Both the fluids at inlet are in their hottest state One fluid is in hottest state and other in coldest state at inlet Both the fluids at inlet (of heat exchanger where hot fluid enters) are in their coldest state Both the fluids at exit are in their hottest state Both the fluids at inlet are in their hottest state One fluid is in hottest state and other in coldest state at inlet ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Wien's law, the wavelength corresponding to maximum energy is proportion to F I² T Absolute temperature (T) F I² T Absolute temperature (T) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The product of Reynolds number and Prandtl number is known as Grashoff number Biot number Stanton number Peclet number Grashoff number Biot number Stanton number Peclet number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in Porosity All of these Density Composition Porosity All of these Density Composition ANSWER DOWNLOAD EXAMIANS APP