Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in Density Porosity Composition All of these Density Porosity Composition All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Wien’s law states that the wave length corresponding to ________ is proportional to the absolute temperature. Maximum energy None of these Both (A) and (B) Minimum energy Maximum energy None of these Both (A) and (B) Minimum energy ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the body to another by the actual motion of the heated particles, is called Radiation Conduction None of these Convection Radiation Conduction None of these Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by Hr (time) °C (temperature) K.cal (heat) Sq. m (area) Hr (time) °C (temperature) K.cal (heat) Sq. m (area) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The product of Reynolds number and Prandtl number is known as Grashoff number Biot number Stanton number Peclet number Grashoff number Biot number Stanton number Peclet number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The energy distribution of an ideal reflector at higher temperatures is largely in the range of Wavelength has nothing to do with it Remain same at all wavelengths Longer wavelength Shorter wavelength Wavelength has nothing to do with it Remain same at all wavelengths Longer wavelength Shorter wavelength ANSWER DOWNLOAD EXAMIANS APP
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