Heat Transfer In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used In low range of temperature differences To prevent corrosion of the tube bundles In high range of temperature differences Because of its low cost In low range of temperature differences To prevent corrosion of the tube bundles In high range of temperature differences Because of its low cost ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Can be reflected by a mirror Travel in straight line Can not pass through vacuum Both B and C Can be reflected by a mirror Travel in straight line Can not pass through vacuum Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Is same as Lower than Half Greater than Is same as Lower than Half Greater than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by (εx + εy)/(εx + εy - εx . εy) Εx + εy 1/εx + 1/εy Εx . εy (εx + εy)/(εx + εy - εx . εy) Εx + εy 1/εx + 1/εy Εx . εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the nature of material of body none of the listed here temperature of the body only wavelength of monochromatic radiation nature of material of body none of the listed here temperature of the body only wavelength of monochromatic radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 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 0.025 0.0035 3.5 5.6 0.025 0.0035 3.5 5.6 ANSWER DOWNLOAD EXAMIANS APP
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