Heat Transfer Which of the following is concerned with both heat and mass transfer ? Kutateladze number Froude number Nusselt number Lewis relationship Kutateladze number Froude number Nusselt number Lewis relationship ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Non-dimensional factor Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Non-dimensional factor Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 0.5 1 1.5 80 0.5 1 1.5 80 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T⁴ None of these Q ∝ T³ Q ∝ T² Q ∝ T⁴ None of these Q ∝ T³ Q ∝ T² 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 1200W/m².K 287 W/m².K 333W/m².K 894W/m².K 1200W/m².K 287 W/m².K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high temperature high pressure low film co-efficient none of the listed here high temperature high pressure low film co-efficient none of the listed here ANSWER DOWNLOAD EXAMIANS APP
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