Heat Transfer Evaporator tubes are generally Vertical Random Inclined Horizontal Vertical Random Inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 0.5 0 and 1 1 and ? 1 and 0 0 and 0.5 0 and 1 1 and ? 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Remains same May increase or decrease depending on the type of gas Increases Decreases Remains same May increase or decrease depending on the type of gas Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Colburn None of these Prandtl Reynolds Colburn None of these Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP
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 The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is 1.66 88.66 3.66 Dependent on NRe only 1.66 88.66 3.66 Dependent on NRe only ANSWER DOWNLOAD EXAMIANS APP