Home

What is the correct answer?

4

The amount of heat flow through a body by conduction is

A. Directly proportional to the surface area of the body

B. Directly proportional to the temperature difference on the two faces of the body

C. Dependent upon the material of the body

D. All of the above

Correct Answer :

D. All of the above


Related Questions

The use of heat exchangers is made in The heat of sun reaches to us according to Fouling factor is used In counter flow heat exchangers The rate of heat flow through a body is Q = [kA (T₁ - T₂)]/x.… In counter current flow heat exchanger, the logarithmic temperature difference… Upto the critical radius of insulation, The heat transfer from a hot body to a cold body is directly proportional… Thermal conductivity of air with rise in temperature Temperature of steam at around 540°C can be measured by The critical thickness of insulation for a sphere is When heat is transferred from one particle of hot body to another by actual… Heat is closely related with Which of the following statement is wrong? The emissive power of a body depends upon its The value of the wavelength for maximum emissive power is given by Thermal diffusivity of a substance is given by (where h = Thermal diffusivity,… A cube at high temperature is immersed in a constant temperature bath.… According to Dalton's law of partial pressures, (where pb = Barometric… Heat transfer in liquid and gases takes place by Thermal conductivity of solid metals with rise in temperature normally Heat is transferred by all three modes of transfer, viz. conduction, convection… The thermal diffusivities for gases are generally Heat conducted through per unit area and unit thick face per unit time… The critical temperature is the temperature In free convection heat transfer transition from laminar to turbulent… Film coefficient is defined as the ratio of A perfect black body is one which Fourier's law of heat conduction is valid for Radiation is the process of heat transfer in which heat flows from a ________,…