Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Both A & B Reynolds Prandtl & Grashoff Grashoff Both A & B Reynolds Prandtl & Grashoff Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of double pipe type with fin on air side shell and tube type plate type double pipe type with fin on steam side double pipe type with fin on air side shell and tube type plate type double pipe type with fin on steam side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Newton's law of cooling Fick's law Fourier's law None of these Newton's law of cooling Fick's law Fourier's law None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Harmonic mean temperature difference is given by 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) √(ΔT₁ . ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) √(ΔT₁ . ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Rate of heat transfer Neither A nor B Both A and B Heat balance consideration Rate of heat transfer Neither A nor B Both A and B Heat balance consideration ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the decreased effect of hydrostatic head increase in liquor film co-efficient decreased capacity increased true temperature drop decreased effect of hydrostatic head increase in liquor film co-efficient decreased capacity increased true temperature drop ANSWER DOWNLOAD EXAMIANS APP
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