EXAMIANS
Maximum heat transfer rate is achieved in __________ flow.
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The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film )
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The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8, where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter (D) as
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When vaporisation takes place directly at the heating surface, it is called
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At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical?
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In SI units, thermal conductivity is expressed in
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In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is
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Radiator of an automobile engine is a __________ type of heat exchanger.
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jH factor for heat transfer is not a function of the __________ number.
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In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred
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