Heat and Mass Transfer Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, ρ = Density of substance, S = Specific heat, and k = Thermal conductivity) h = S/ρk h = kρ/S h = ρS/k h = k/ ρS h = S/ρk h = kρ/S h = ρS/k h = k/ ρS ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The critical temperature is the temperature Below which a gas is always liquefied Above which a gas will never liquefied Above which a gas may explode Below which a gas does not obey gas laws Below which a gas is always liquefied Above which a gas will never liquefied Above which a gas may explode Below which a gas does not obey gas laws ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer takes place as per Zeroth law of thermodynamics Kirchoff's law Second law of the thermodynamics First law of thermodynamic Zeroth law of thermodynamics Kirchoff's law Second law of the thermodynamics First law of thermodynamic ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A non-dimensional number generally associated with natural convection heat transfer is Grashoff number Weber number Nusselt number Prandtl number Grashoff number Weber number Nusselt number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal diffusivity is m²/hr °C kcal/m. hr °C m²/hr kcal/m² hr m²/hr °C kcal/m. hr °C m²/hr kcal/m² hr ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The emissive power of a body depends upon its Temperature All of these Wave length Physical nature Temperature All of these Wave length Physical nature ANSWER DOWNLOAD EXAMIANS APP
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