Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 16.5 kW/m² 11.2 kW/m² 14.6 kW/m² 12.0 kW/m² 16.5 kW/m² 11.2 kW/m² 14.6 kW/m² 12.0 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Having the value of Ao/Ai > 2 Both B and C Thin walled having the value of Ao Ai/< 2 Thick walled Having the value of Ao/Ai > 2 Both B and C Thin walled having the value of Ao Ai/< 2 Thick walled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Heat transfer co-efficient Stefan-Boltzman constant Thermal diffusivity Thermal conductivity Heat transfer co-efficient Stefan-Boltzman constant Thermal diffusivity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of Neither A nor B Both A & B Dissolved O₂ CO₂ Neither A nor B Both A & B Dissolved O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is used for chilling oil to be dewaxed. Floating head Double pipe Fixed tube U-tube Floating head Double pipe Fixed tube U-tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. None of these Decreased No effect on Increased None of these Decreased No effect on Increased ANSWER DOWNLOAD EXAMIANS APP
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