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

What is the correct answer?


The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit

A. Temperature

B. Thickness

C. Area

D. Time

Related Questions

A designer chooses the values of fluid flow rates and specific heats in… Which of the following statement is wrong? The process of heat transfer from one particle of the body to another… In regenerator type heat exchanger, heat transfer takes place by The total emissivity power is .defined as the total amount of radiation… Total emissivity of polished silver compared to black body is Joule sec is the unit of The highest thermal diffusivity is of Fouling factor is used The ratio of surface convection resistance to the internal conduction… Two balls of same material and finish have their diameters in the ratio… Which of the following is a case of steady state heat transfer? Total heat is the heat required to Sensible heat is the heat required to Heat transfer takes place as per In heat transfer, conductance equals conductivity (kcal/hr/sq.m/ °C/cm)… Planck's law holds good for Moisture would find its way into insulation by vapour pressure unless… In free convection heat transfer transition from laminar to turbulent… Thermal conductivity of solid metals with rise in temperature normally Reynolds number (RN) is given by (where h = Film coefficient, l = Linear… An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated… According to Stefan Boltzmann law, ideal radiators emit radiant energy… Film coefficient is defined as the ratio of A steam pipe is to be lined with two layers of insulating materials of… In convection heat transfer from hot flue gases to water tube, even though… Thermal conductivity of air at room temperature in kcal/m hr °C is… In free convection heat transfer, Nusselt number is function of The energy distribution of an ideal reflector at higher temperatures is… Fourier's law of heat conduction is (where Q = Amount of heat flow through…