Heat and Mass Transfer Planck’s law holds good for polished bodies all coloured bodies black bodies All of these polished bodies all coloured bodies black bodies All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat) (L.H - S.H)/S.H (S.H + L.H) /S.H S.H/(L.H - S.H) S.H/(S.H + L.H) (L.H - S.H)/S.H (S.H + L.H) /S.H S.H/(L.H - S.H) S.H/(S.H + L.H) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of Prandtl number for air is about 0.7 0.1 0.3 1.7 0.7 0.1 0.3 1.7 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of the wave length for maximum emissive power is given by Kirchhoff’s law Stefan’s law Wine’s law Planck’s law Kirchhoff’s law Stefan’s law Wine’s law Planck’s law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The energy distribution of an ideal reflector at higher temperatures is largely in the range of Shorter wavelength Remain same at all wavelengths Longer wavelength Wavelength has nothing to do with it Shorter wavelength Remain same at all wavelengths Longer wavelength Wavelength has nothing to do with it ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by Conduction and convection Conduction Radiation Convection Conduction and convection Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
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