Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Nusselt number Prandtl number Heat flux Schmidt number Nusselt number Prandtl number Heat flux Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is between 0 and 1 1 0 >1 between 0 and 1 1 0 >1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface. Oily Smooth Glazed & polished Coated Oily Smooth Glazed & polished Coated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? Agitated film evaporator Open pan evaporator Long tube vertical evaporator None of these Agitated film evaporator Open pan evaporator Long tube vertical evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Planck's Wien's displacement None of these Stefan-Boltzman's Planck's Wien's displacement None of these Stefan-Boltzman's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. May increase or decrease; depends on the liquid Increases Decreases Remains unchanged May increase or decrease; depends on the liquid Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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