Heat Transfer In forced convection, the Nusselt number is a function of Re and Pr Re and Sc Re and Gr Pr and Gr Re and Pr Re and Sc Re and Gr Pr and Gr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A composite flat wall of a furnace is made of two materials 'A' and 'B'. The thermal conductivity of 'A' is twice of that of material 'B', while the thickness of layer of 'A' is half that of B. If the temperature at the two sides of the wall are 400 and 1200°K, then the temperature drop (in °K) across the layer of material 'A' is 160 150 133 125 160 150 133 125 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would Increase First increase and then decrease Decrease First decrease and then increase Increase First increase and then decrease Decrease First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Agitated film evaporator is suitable for concentrating __________ liquids. Corrosive Very thin Foaming Viscous Corrosive Very thin Foaming Viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is Mainly confined to a thin film of fluid near the surface Uniformly distributed throughout the fluid None of these In the central core of the fluid Mainly confined to a thin film of fluid near the surface Uniformly distributed throughout the fluid None of these In the central core of the fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? None of the listed here Series and parallel set of shell and tube Plate fine Double pipe None of the listed here Series and parallel set of shell and tube Plate fine Double pipe ANSWER DOWNLOAD EXAMIANS APP
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