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 12.0 kW/m² 11.2 kW/m² 16.5 kW/m² 14.6 kW/m² 12.0 kW/m² 11.2 kW/m² 16.5 kW/m² 14.6 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf = hd hf < hd hf could be greater or smaller than hd hf > hd hf = hd hf < hd hf could be greater or smaller than hd hf > hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger? Pressure Density Corrosiveness & fouling characteristics Viscosity Pressure Density Corrosiveness & fouling characteristics Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. None of these 1.49 1 4.88 None of these 1.49 1 4.88 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Graetz number is concerned with the heat transfer in turbulent flow absorption with chemical reaction mass transfer between a gas and a liquid heat transfer in laminar flow heat transfer in turbulent flow absorption with chemical reaction mass transfer between a gas and a liquid heat transfer in laminar flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)(Pr)2/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 ANSWER DOWNLOAD EXAMIANS APP