Heat Transfer Stefen's block body radiation law can also be derived from __________ law. Kirchoffs None of these Fourier's Planck's Kirchoffs None of these Fourier's Planck's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the Capacity of the evaporator is decreased Capacity of the evaporator is increased Both B and C True temperature drop increases Capacity of the evaporator is decreased Capacity of the evaporator is increased Both B and C True temperature drop increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) 2f f/2 f/4 f 2f f/2 f/4 f ANSWER DOWNLOAD EXAMIANS APP
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 1/εx + 1/εy Εx . εy Εx + εy (εx + εy)/(εx + εy - εx . εy) 1/εx + 1/εy Εx . εy Εx + εy (εx + εy)/(εx + εy - εx . εy) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Decreases Increases Remains constant May increase or decrease ; depends on the material Decreases Increases Remains constant May increase or decrease ; depends on the material ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is None of these Linear Parabolic Hyperbolic None of these Linear Parabolic Hyperbolic ANSWER DOWNLOAD EXAMIANS APP
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