Heat Transfer Which of the following has the minimum absorptivity? Iron plates Coal dust Aluminium foil Refractory bricks Iron plates Coal dust Aluminium foil Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Iron Tar Nitrogen Coal Iron Tar Nitrogen Coal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats P and R P and Q R and S P and S P and R P and Q R and S P and S ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal diffusivity of a material Has the unit m² /sec Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp All of these Has the unit m² /sec Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.1 0.5 > 0.6 < 0.5 < 0.1 0.5 > 0.6 < 0.5 ANSWER DOWNLOAD EXAMIANS APP