Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Fick's law Newton's law of cooling Fourier's law None of these Fick's law Newton's law of cooling Fourier's law None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Sub-cooled None of these Saturated nucleate Film Sub-cooled None of these Saturated nucleate Film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Temperature difference Thickness Heat transfer area Thermal conductivity Temperature difference Thickness Heat transfer area Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase the heat transfer area facilitate cleaning of the exchanger increase log mean temperature gradient relieve stresses caused by thermal expansion increase the heat transfer area facilitate cleaning of the exchanger increase log mean temperature gradient relieve stresses caused by thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 10 to 100 100 to 1000 0.5 to 50 1 to 100 10 to 100 100 to 1000 0.5 to 50 1 to 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, Both will absorb equal amount of radiation from the surrounding in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both the spheres will emit equal amount of radiation per unit time in the beginning Both B & C Both will absorb equal amount of radiation from the surrounding in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both the spheres will emit equal amount of radiation per unit time in the beginning Both B & C ANSWER DOWNLOAD EXAMIANS APP
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