Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) A/Kx K/Ax KA/x X/KA A/Kx K/Ax KA/x X/KA ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that NRe α f Nst α f NNu α f Nst α NRe NRe α f Nst α f NNu α f Nst α NRe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Logarithmic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Arithmetic mean temperature difference Logarithmic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Arithmetic mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporator tubes are generally Horizontal Inclined Random Vertical Horizontal Inclined Random Vertical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)2 ΔT (ΔT)1/4 None of the listed here (ΔT)2 ΔT (ΔT)1/4 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Remain unchanged Increase by 216 Increase by 1.8 times Decrease by 22 Remain unchanged Increase by 216 Increase by 1.8 times Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP