What is the correct answer?


Which of the following has maximum value of thermal conductivity?

A. Aluminium

B. Steel

C. Brass

D. Copper

Correct Answer :

A. Aluminium

Related Questions

Reynolds number is the ratio of The process of heat transfer from one particle of the fluid to another… Total emissivity of polished silver compared to black body is The most commonly used method for the design of duct size is the The ratio of the thickness of thermal boundary layer to the thickness… The rate of energy transferred by convection to that by conduction is… According to Newton's law of cooling, the heat transfer from a hot body… The process of heat transfer from one particle of the body to another… According to Kirchoff's law, the ratio of emissive power to absorptivity… The energy distribution of an ideal reflector at higher temperatures is… According of Kirchhoff's law The ratio of Nusselt number and the product of Reynold's number and Prandtl… The heat is transferred by conduction, convection and radiation in The total radiation from a black body per second per unit area is ________… 40% of incident radiant energy on the surface of a thermally transparent… The emissivity for a black body is Which of the following is a case of steady state heat transfer? In counter flow heat exchangers Thermal conductivity of non-metallic amorphous solids with decrease in… The insulation ability of an insulator with the presence of moisture would Two balls of same material and finish have their diameters in the ratio… Depending on the radiating properties, a body will be black when The value of Prandtl number for air is about The concept of overall coefficient of heat transfer is used in case of… Depending on the radiating properties, a body will be opaque when A non-dimensional number generally associated with natural convection… According to Wien's law, the wavelength corresponding to maximum energy… Radiation is the process of heat transfer in which heat flows from a ________,… Heat transfer takes place as per Conduction is a process of heat transfer