Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Prandtl Reynolds Both Reynolds & Prandtl None of the listed here Prandtl Reynolds Both Reynolds & Prandtl None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Facilitate its lengthening, if needed Provide support for tubes Decrease the pressure drop Avoid buckling of tubes Facilitate its lengthening, if needed Provide support for tubes Decrease the pressure drop Avoid buckling of tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 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 100 2 10 0.5 100 2 10 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Temperature difference Thermal conductivity Thickness Heat transfer area Temperature difference Thermal conductivity Thickness Heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Cotton followed by aluminium foil Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Cotton followed by aluminium foil Tar dolomite bricks followed by asbestos ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is 1 > 5 < 1 > 1 1 > 5 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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