Heat Transfer Finned tube heat exchangers are used for smaller heat load give larger area per tube facilitate very large temperature drop through tube wall use metal fins of low thermal conductivity are used for smaller heat load give larger area per tube facilitate very large temperature drop through tube wall use metal fins of low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Fourier's law None of these Newton's law of cooling Fick's law Fourier's law None of these Newton's law of cooling Fick's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface. Oily Smooth Coated Glazed & polished Oily Smooth Coated Glazed & polished ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Higher solute concentration in the product Lower steam economy Higher steam economy Lower heat transfer area Higher solute concentration in the product Lower steam economy Higher steam economy Lower heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 150 0.72 70 0.001 150 0.72 70 0.001 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be None, A is just a number W/m W/m.k W/m.k² None, A is just a number W/m W/m.k W/m.k² ANSWER DOWNLOAD EXAMIANS APP
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