Heat and Mass Transfer Unit of thermal conductivity in M.K.S. units is K cal/hr m² °C K calm/hr °C K cal/kg m² °C K cal m/hr m² °C K cal/hr m² °C K calm/hr °C K cal/kg m² °C K cal m/hr m² °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction is valid for Two dimensional cases only Three dimensional cases only Regular surfaces having non-uniform temperature gradients One dimensional cases only Two dimensional cases only Three dimensional cases only Regular surfaces having non-uniform temperature gradients One dimensional cases only ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat transfer takes place according to Kirchhoff's law Zeroth law of thermodynamics Second law of thermodynamics First law of thermodynamics Kirchhoff's law Zeroth law of thermodynamics Second law of thermodynamics First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Cork is a good insulator because it has Free electrons Porous body Atoms colliding frequency Low density Free electrons Porous body Atoms colliding frequency Low density ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Wien's law, the wavelength corresponding to maximum energy is proportion to I² F Absolute temperature (T) T I² F Absolute temperature (T) T ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When α is absorptivity, ρ is reflectivity and τ is transmissivity, then for a diathermanous body, α = 1, ρ = 0 and τ = 0 α + ρ = 1 and τ = 0 α = 0, ρ = 0 and τ = 1 α = 0, ρ = 1 and τ = 0 α = 1, ρ = 0 and τ = 0 α + ρ = 1 and τ = 0 α = 0, ρ = 0 and τ = 1 α = 0, ρ = 1 and τ = 0 ANSWER DOWNLOAD EXAMIANS APP
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