Heat and Mass Transfer The insulation ability of an insulator with the presence of moisture would May increase/decrease depending on temperature and thickness of insulation Increase Decrease Remain unaffected May increase/decrease depending on temperature and thickness of insulation Increase Decrease Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction gives the heat flow for Irregular surfaces One dimensional cases only Nonuniform temperature surfaces Two dimensional cases only Irregular surfaces One dimensional cases only Nonuniform temperature surfaces Two dimensional cases only ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be white when (Where a = absorptivity, p = reflectivity, x = transmissivity) P = 0, x = 1 and a = 0 X = 0, a + p = 1 P = 0, x = 0 and a = 1 P=1, T = 0 and a = 0 P = 0, x = 1 and a = 0 X = 0, a + p = 1 P = 0, x = 0 and a = 1 P=1, T = 0 and a = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is a case of steady state heat transfer? Heating of building in winter I.C. engine None of these Air preheaters Heating of building in winter I.C. engine None of these Air preheaters ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Joule sec is the unit of Planck's constant Kinematic viscosity Universal gas constant Thermal conductivity Planck's constant Kinematic viscosity Universal gas constant Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The thermal diffusivities for solids are generally Less than those for liquids More or less same as for liquids and gases Less than those for gases More than those for liquids and gases Less than those for liquids More or less same as for liquids and gases Less than those for gases More than those for liquids and gases ANSWER DOWNLOAD EXAMIANS APP
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