Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that Boundary surfaces are isothermal Material is anisotropic There is no internal heat generation Constant temperature gradient exists Boundary surfaces are isothermal Material is anisotropic There is no internal heat generation Constant temperature gradient exists ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Colburn Reynolds Prandtl None of these Colburn Reynolds Prandtl None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Tube side pressure drop and the heat transfer rate All of these Convective heat transfer co-efficient Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate All of these Convective heat transfer co-efficient Effective tube surface area for convective heat transfer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, There is no relationship between temperature drop and resistance The temperature drops in the two fluids and the wall are proportional to individual resistances The temperature drop is inversely proportional to the resistance across which the drop occurs The relationship is not generalised There is no relationship between temperature drop and resistance The temperature drops in the two fluids and the wall are proportional to individual resistances The temperature drop is inversely proportional to the resistance across which the drop occurs The relationship is not generalised 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 2 0.5 100 10 2 0.5 100 10 ANSWER DOWNLOAD EXAMIANS APP
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