Heat Transfer Which of the following has the minimum thermal conductivity? Tar Steel Nitrogen Carbon black Tar Steel Nitrogen Carbon black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is called the view factor. proportional to the square of the distance between surfaces expressed in terms of radians called the angle of vision called the view factor. proportional to the square of the distance between surfaces expressed in terms of radians called the angle of vision ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 3.5 0.025 5.6 0.0035 3.5 0.025 5.6 0.0035 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Conduction only Free and forced convection Forced convection only Forced convection and conduction Conduction only Free and forced convection Forced convection only Forced convection and conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Either A, B or C Logarithmic Arithmetic Geometric Either A, B or C Logarithmic Arithmetic Geometric ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the ratio of Thermal diffusivity to mass diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
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