Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 0.38-0.78 100-1000 5-50 0.5-50 0.38-0.78 100-1000 5-50 0.5-50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy d²T/dZ² < 0 d²T/dZ² > 0 dT/dZ = 0 d²T/dZ² = 0 d²T/dZ² < 0 d²T/dZ² > 0 dT/dZ = 0 d²T/dZ² = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling occurs at __________ pressure. very high atmospheric none of the listed here negative very high atmospheric none of the listed here negative 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, Gz Nu, Pr, Re Nu, Pr Re.Gz Nu, Gz Nu, Pr, Re Nu, Pr Re.Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a cooling tower, water becomes cool by Vaporisation due to heat loss to air Loosing latent heat Heat transfer to surroundings Loosing sensible heat Vaporisation due to heat loss to air Loosing latent heat Heat transfer to surroundings Loosing sensible heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Remains constant Decreases May increase or decrease, depends on the vacuum Increases Remains constant Decreases May increase or decrease, depends on the vacuum Increases ANSWER DOWNLOAD EXAMIANS APP
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