Heat Transfer Value of Prandtl number for water ranges from L to 2 1000 to 2000 100 to 500 5 to 10 L to 2 1000 to 2000 100 to 500 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Cotton followed by aluminium foil Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Cotton followed by aluminium foil Tar dolomite bricks followed by asbestos ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Is thinner than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Is thicker than hydrodynamic boundary layer Disappears Is thinner than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Is thicker than hydrodynamic boundary layer Disappears ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Stefan-Boltzman constant Heat transfer co-efficient Thermal conductivity Thermal diffusivity Stefan-Boltzman constant Heat transfer co-efficient Thermal conductivity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Stantan Grashoff Brinkman Condensation Stantan Grashoff Brinkman Condensation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law. Linear Logarithmic Hyperbolic Parabolic Linear Logarithmic Hyperbolic Parabolic ANSWER DOWNLOAD EXAMIANS APP