Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 1/2 √(A₁ . A₂) 2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 1/2 √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. None of these Planck's Kirchoffs Fourier's None of these Planck's Kirchoffs Fourier's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator No pumps are required between successive effects Feed flows from low pressure to high pressure Feed is introduced in the first effect None of these No pumps are required between successive effects Feed flows from low pressure to high pressure Feed is introduced in the first effect None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation accounts for Lower operating costs Investment economy Steam economy None of these Lower operating costs Investment economy Steam economy None of these ANSWER DOWNLOAD EXAMIANS APP
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