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)1/4 ΔT None of the listed here (ΔT)2 (ΔT)1/4 ΔT None of the listed here (ΔT)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits High fluidity Abundance & high heat capacity Low density Low viscosity High fluidity Abundance & high heat capacity Low density Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Grashoff Prandtl Stanton Nusselt Grashoff Prandtl Stanton Nusselt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) (ΔT)² (ΔT)⁴ √(ΔT) (ΔT)³ (ΔT)² (ΔT)⁴ √(ΔT) (ΔT)³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used when heat transfer area required is very high because it is less costly because it occupies less floor area when heat transfer area required is very low when heat transfer area required is very high because it is less costly because it occupies less floor area when heat transfer area required is very low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Presence of a non-condensing gas in a condensing vapour is desirable to increase the film co-efficient None of the listed here increases the rate of condensation decreases thermal resistance is desirable to increase the film co-efficient None of the listed here increases the rate of condensation decreases thermal resistance ANSWER DOWNLOAD EXAMIANS APP