Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.6 to 120 l to 50 1 to 103 0.06 to 120 0.6 to 120 l to 50 1 to 103 0.06 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that 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 Boundary surfaces are isothermal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is 333W/m².K 894W/m².K 287 W/m².K 1200W/m².K 333W/m².K 894W/m².K 287 W/m².K 1200W/m².K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Number of effect Both B & C Feed temperature Steam pressure Number of effect Both B & C Feed temperature Steam pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is concerned with both heat and mass transfer ? Lewis relationship Kutateladze number Nusselt number Froude number Lewis relationship Kutateladze number Nusselt number Froude number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the True temperature drop increases Capacity of the evaporator is decreased Both B and C Capacity of the evaporator is increased True temperature drop increases Capacity of the evaporator is decreased Both B and C Capacity of the evaporator is increased ANSWER DOWNLOAD EXAMIANS APP
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