Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Thermal conductivity Thickness Temperature difference Heat transfer area Thermal conductivity Thickness Temperature difference Heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low thermal conductivity Prandtl number viscosity Grashoff number thermal conductivity Prandtl number viscosity Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is 0.72 18 83 4.364 0.72 18 83 4.364 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Nusselt number Heating volume None of these Heat transfer area Nusselt number Heating volume None of these Heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = 2Gz0.5 Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = 2Gz0.5 Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Geometric mean temperature difference Logarithmic mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Logarithmic mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
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