Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by Εx + εy (εx + εy)/(εx + εy - εx . εy) 1/εx + 1/εy Εx . εy Εx + εy (εx + εy)/(εx + εy - εx . εy) 1/εx + 1/εy Εx . εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with Decreasing temperature Increasing temperature None of these Decreasing Reynolds number Decreasing temperature Increasing temperature None of these Decreasing Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing None of these Is not the same as baffle pitch Should be less than the inside diameter of the shell Should be less than one fifth the diameter of the shell None of these Is not the same as baffle pitch Should be less than the inside diameter of the shell Should be less than one fifth the diameter of the shell ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Nucleate None of these Low pressure Pool Nucleate None of these Low pressure Pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Stefan-Boltzman Planck's Kirchoffs Wien's displacement Stefan-Boltzman Planck's Kirchoffs Wien's displacement ANSWER DOWNLOAD EXAMIANS APP
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