Heat Transfer In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used Because of its low cost To prevent corrosion of the tube bundles In high range of temperature differences In low range of temperature differences Because of its low cost To prevent corrosion of the tube bundles In high range of temperature differences In low range of temperature differences ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Re.Gz Nu, Gz Nu, Pr, Re Nu, Pr Re.Gz Nu, Gz Nu, Pr, Re Nu, Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted Only in presence of air An oily surface None of these When both the steam and the tube are clean Only in presence of air An oily surface None of these When both the steam and the tube are clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Viscosity Heat capacity Density Thermal conductivity Viscosity Heat capacity Density Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Lower than Half Is same as Greater than Lower than Half Is same as Greater than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Planck's Stefan-Boltzman's None of these Wien's displacement Planck's Stefan-Boltzman's None of these Wien's displacement ANSWER DOWNLOAD EXAMIANS APP
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