Heat and Mass Transfer The amount of heat flow through a body by conduction is All of these Directly proportional to the surface area of the body Directly proportional to the temperature difference on the two faces of the body Dependent upon the material of the body All of these Directly proportional to the surface area of the body Directly proportional to the temperature difference on the two faces of the body Dependent upon the material of the body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The most commonly used method for the design of duct size is the Equal friction method Velocity reduction method Dual or double method Static regains method Equal friction method Velocity reduction method Dual or double method Static regains method 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=1, T = 0 and a = 0 X = 0, a + p = 1 P = 0, x = 1 and a = 0 P = 0, x = 0 and a = 1 P=1, T = 0 and a = 0 X = 0, a + p = 1 P = 0, x = 1 and a = 0 P = 0, x = 0 and a = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The energy distribution of an ideal reflector at higher temperatures is largely in the range of Longer wavelength Wavelength has nothing to do with it Remain same at all wavelengths Shorter wavelength Longer wavelength Wavelength has nothing to do with it Remain same at all wavelengths Shorter wavelength ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The automobile radiator is a heat exchanger of Cross flow type Counter flow type Parallel flow type Regenerator type Cross flow type Counter flow type Parallel flow type Regenerator type ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Moisture would find its way into insulation by vapour pressure unless it is prevented by High vapour pressure Less thermal conductivity insulator A vapour seal High thickness of insulation High vapour pressure Less thermal conductivity insulator A vapour seal High thickness of insulation ANSWER DOWNLOAD EXAMIANS APP
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