Heat Transfer Which of the following has the lowest Prandtl number? Water Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Transformer oil Water Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Transformer oil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Rate of crystallisation does not depend upon the Turbulence within the solution None of these Number and active surface area of the crystals Extent of supersaturation Turbulence within the solution None of these Number and active surface area of the crystals Extent of supersaturation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Arithmetic mean temperature difference Logarithmic mean temperature difference Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids Arithmetic mean temperature difference Logarithmic mean temperature difference Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Highest in last effect Lowest in last effect Same in all effects Dependent on the number of effects Highest in last effect Lowest in last effect Same in all effects Dependent on the number of effects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Maximum resistance in the series Sum of all resistances Average of all resistances Minimum resistance presents in the series Maximum resistance in the series Sum of all resistances Average of all resistances Minimum resistance presents in the series ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 0.001 70 0.72 150 0.001 70 0.72 150 ANSWER DOWNLOAD EXAMIANS APP
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