Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 1 to 103 0.6 to 120 l to 50 0.06 to 120 1 to 103 0.6 to 120 l to 50 0.06 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt5/4 Δt2 Δt1/2 Δt Δt5/4 Δt2 Δt1/2 Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 55.5 0.15 0.55 555 55.5 0.15 0.55 555 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Grashhoff number Reynolds number Prandtl number Peclet number Grashhoff number Reynolds number Prandtl number Peclet number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? 0.5 < 0.1 < 0.5 > 0.6 0.5 < 0.1 < 0.5 > 0.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is 1 Zero >1 <1 1 Zero >1 <1 ANSWER DOWNLOAD EXAMIANS APP
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