EXAMIANS
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is
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In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient
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Multiple effect evaporation accounts for
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Heat transfer co-efficient (h1) for liquids increases with
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When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.
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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
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In pipe flow, heat is transferred from hot wall to the liquid by
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Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is
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The Grashoff number is defined as the ratio of the
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To reduce the tube side pressure drop for the same flow rate, the heat exchanger recomended is
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