EXAMIANS
Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law.
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If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.
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Radiation heat transfer rates does not depend upon the
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It is not preferable to use superheated steam in evaporators, because of its very
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A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because
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To reduce the tube side pressure drop for the same flow rate, the heat exchanger recomended is
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An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a
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Which of the following is concerned with both heat and mass transfer ?
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At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical?
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Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is
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