Heat Transfer In thermal radiation for a black body (where, ε is emissivity and α is absorptivity) α = 1; ε = 1 α = 1; ε ≠ 1 α ≠ 1, ε ≠ 1 α ≠ 1, ε = 1 α = 1; ε = 1 α = 1; ε ≠ 1 α ≠ 1, ε ≠ 1 α ≠ 1, ε = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when KA < 0.5kB KA>2 kB CPA < CPB CPA > CPB KA < 0.5kB KA>2 kB CPA < CPB CPA > CPB ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Sub-cooled Saturated nucleate None of these Film Sub-cooled Saturated nucleate None of these Film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)2/3(Pr) = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)(Pr)2/3 = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ chart is known as transient heat conduction chart. Mollier's Dirhing's Cox Heisler's Mollier's Dirhing's Cox Heisler's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For an ideal black body Emissivity = 0 Reflectivity = 1 Absorptivity = 1 Transmissivity = 1 Emissivity = 0 Reflectivity = 1 Absorptivity = 1 Transmissivity = 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS