Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) (ΔT)² (ΔT)⁴ (ΔT)³ √(ΔT) (ΔT)² (ΔT)⁴ (ΔT)³ √(ΔT) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called thermal conductivity thermal diffusivity heat transfer co-efficient heat flux thermal conductivity thermal diffusivity heat transfer co-efficient heat flux ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Increased Decreased None of these No effect on Increased Decreased None of these No effect on ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.6 to 120 1 to 103 l to 50 0.06 to 120 0.6 to 120 1 to 103 l to 50 0.06 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe None of these Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe None of these Temperature gradient of the wall to that across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Thermal conductivity Viscosity Heat capacity Density Thermal conductivity Viscosity Heat capacity Density ANSWER DOWNLOAD EXAMIANS APP
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