EXAMIANS
A BTU/hr.ft.2 °F is equal to
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Which characteristic of a fluid is not important in deciding its route in a shell and tube heat exchanger?
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For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is
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A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is
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Evaporator tubes are generally
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The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the
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If Prandtl number is greater than the Schmidt number, then the
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The ratio of momentum diffusivity to thermal diffusivity is the __________ number.
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The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law.
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In forced convection, the Nusselt number is a function of
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