Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Decreased steam consumption Increased capacity Increased steam economy Both A and B Decreased steam consumption Increased capacity Increased steam economy Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) U₂ - U₁ 1/U₁ - 1/U₂ U₁ - U₂ 1/U₂ - 1/U₁ U₂ - U₁ 1/U₁ - 1/U₂ U₁ - U₂ 1/U₂ - 1/U₁ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) √(ΔT) (ΔT)⁴ (ΔT)² (ΔT)³ √(ΔT) (ΔT)⁴ (ΔT)² (ΔT)³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = h/k r = k/2h r = 2k/h r = k/h r = h/k r = k/2h r = 2k/h r = k/h 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 None, A is just a number W/m.k² W/m.k W/m None, A is just a number W/m.k² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS