Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?


The ratio of surface convection resistance to the internal conduction resistance is known as

A. Grashoff number

B. Biot number

C. Stanton number

D. Prandtl number

Related Questions

The ratio of Nusselt number and the product of Reynold's number and Prandtl… Heat transfer in liquid and gases takes place by An ordinary passenger aircraft requires a cooling system of capacity. The critical thickness of insulation for a sphere is The process of heat transfer from one particle of the body to another… In counter current flow heat exchanger, the logarithmic temperature difference… Thermal conductivity of solid metals with rise in temperature normally Unit of thermal conductivity in S.I. units is Moisture would find its way into insulation by vapour pressure unless… Stefan Boltzmann law is applicable for heat transfer by Depending on the radiating properties, a body will be white when Thermal conductivity of water in general with rise in temperature Fourier's law of heat conduction is valid for LMTD in case of counter flow heat exchanger as compared to parallel flow… Film coefficient is defined as the ratio of When heat is transferred from hot body to cold body, in a straight line,… The critical radius is the insulation radius at which the resistance to… A non-dimensional number generally associated with natural convection… In convection heat transfer from hot flue gases to water tube, even though… Wiens law states that the wave length corresponding to ________ is proportional… The unit of Stefan-Boltzmann constant is The emissive power of a body depends upon its Reynolds number (RN) is given by (where h = Film coefficient, l = Linear… The critical temperature is the temperature Absorptivity of a body will be equal to its emissivity Unit of thermal diffusivity is Two plates spaced 150 mm apart are maintained at 1000°C and 70°C.… The transfer of heat by molecular collision is known as Pick up the wrong case. Heat flowing from one side to other depends directly… Joule sec is the unit of