Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is 120.36 Dependent on NRe only 2.36 4.36 120.36 Dependent on NRe only 2.36 4.36 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to relieve stresses caused by thermal expansion facilitate cleaning of the exchanger increase the heat transfer area increase log mean temperature gradient relieve stresses caused by thermal expansion facilitate cleaning of the exchanger increase the heat transfer area increase log mean temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Rate of evaporation Capacity Economy Rate of vaporisation Rate of evaporation Capacity Economy Rate of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Interfacial tension Liquid density Hot surface temperature Liquid viscosity Interfacial tension Liquid density Hot surface temperature Liquid viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is < 1 None of these > 1 1 < 1 None of these > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Grashhoff number Reynolds number none of the listed here Prandtl number Grashhoff number Reynolds number none of the listed here Prandtl number ANSWER DOWNLOAD EXAMIANS APP
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