Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Maximum Zero Infinity Minimum Maximum Zero Infinity Minimum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Nu, Pr Nu, Gz Re.Gz Nu, Pr, Re Nu, Pr Nu, Gz Re.Gz Nu, Pr, Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Reynolds Both A & B Prandtl & Grashoff Grashoff Reynolds Both A & B Prandtl & Grashoff Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Nusselt number Schmidt number Heat flux Prandtl number Nusselt number Schmidt number Heat flux Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? 0.1 >1 < 1 1 0.1 >1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
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