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 For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Never different Different Linearly related Same Never different Different Linearly related Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Colburn Reynolds Prandtl None of these Colburn Reynolds Prandtl None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. coated oily dirty clean & smooth coated oily dirty clean & smooth ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is 0.6 0.4 0.7 0.5 0.6 0.4 0.7 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor May increase or decrease ; depending on temperature Increases Remains unchanged Decreases May increase or decrease ; depending on temperature Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP