Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Corrosive Scaling Salty Highly viscous Corrosive Scaling Salty Highly viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 1 0.78 0.95 1 0.78 0.95 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Increases Remains constant May increase or decrease ; depends on the material Decreases Increases Remains constant May increase or decrease ; depends on the material Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is easy to operate and maintain Is more economical Occupies smaller space All of these Is easy to operate and maintain Is more economical Occupies smaller space All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, thermal conductivity is expressed in Watt/m². °K Watt/m4. °K Watt/m.°K Watt/m². °K Watt/m². °K Watt/m4. °K Watt/m.°K Watt/m². °K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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