Heat Transfer Heat waves Travel in straight line Can be reflected by a mirror Can not pass through vacuum Both B and C Travel in straight line Can be reflected by a mirror Can not pass through vacuum Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. None of these Planck's Fourier's Kirchoffs None of these Planck's Fourier's Kirchoffs ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An insulator should have Low thermal conductivity Less resistance to heat flow High thermal conductivity A porous structure Low thermal conductivity Less resistance to heat flow High thermal conductivity A porous structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Decreases Increases or decreases depending on number of shell passes Remains unchanged Increases Decreases Increases or decreases depending on number of shell passes Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower economy Higher economy Lower capacity Both A & B Lower economy Higher economy Lower capacity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Passes through a maxima Decreases Increases Remains constant Passes through a maxima Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP