Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to perimeter Volume to surface area Perimeter to surface area Surface area to volume Surface area to perimeter Volume to surface area Perimeter to surface area Surface area to volume ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Correction is applied to LMTD for __________ flow. Cross None of these Parallel Counter Cross None of these Parallel Counter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be W/m.k W/m W/m.k² None, A is just a number W/m.k W/m W/m.k² None, A is just a number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Grashhoff number none of the listed here Prandtl number Reynolds number Grashhoff number none of the listed here Prandtl number Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Nu.Re Pe = Pr/Re Pe = Re/Pr Pe = Re.Pr Pe = Nu.Re Pe = Pr/Re Pe = Re/Pr Pe = Re.Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Reynolds Prandtl None of these Colburn Reynolds Prandtl None of these Colburn ANSWER DOWNLOAD EXAMIANS APP
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