Heat Transfer In forced convection, the Nusselt number is a function of Re and Sc Re and Pr Pr and Gr Re and Gr Re and Sc Re and Pr Pr and Gr Re and Gr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Geometric mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Logarithmic mean temperature difference Geometric mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Logarithmic mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? None of the listed here dowtherm mercury liquid metal None of the listed here dowtherm mercury liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 1.5 0.5 1 80 1.5 0.5 1 80 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, thermal conductivity is expressed in Watt/m². °K Watt/m². °K Watt/m4. °K Watt/m.°K Watt/m². °K Watt/m². °K Watt/m4. °K Watt/m.°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? √(A₁ + A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
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