What is the correct answer?


Heat transfer takes place as per

A. Zeroth law of thermodynamics

B. First law of thermodynamic

C. Second law of the thermodynamics

D. Kirchoff's law

Correct Answer :

C. Second law of the thermodynamics

Related Questions

Sensible heat factor is given by (where S.H. = Sensible heat, and L.H.… The automobile radiator is a heat exchanger of Thermal conductivity of water ________ with rise in temperature. Absorptivity of a body will be equal to its emissivity The critical radius is the insulation radius at which the resistance to… Fourier's law of heat conduction is (where Q = Amount of heat flow through… Fourier's law of heat conduction gives the heat flow for Log mean temperature difference in case of counter flow compared to parallel… Thermal diffusivity is a According to Kirchoff's law, the ratio of emissive power to absorptivity… Heat conducted through per unit area and unit thick face per unit time… Two balls of same material and finish have their diameters in the ratio… Thermal conductivity of water in general with rise in temperature The heat transfer takes place according to An ordinary passenger aircraft requires a cooling system of capacity. According to Dalton's law of partial pressures, (where pb = Barometric… The ratio of surface convection resistance to the internal conduction… Thermal conductivity of wood depends on Thermal conductivity of non-metallic amorphous solids with decrease in… Unit of thermal conductivity in S.I. units is According to Stefan Boltzmann law, ideal radiators emit radiant energy… Film coefficient is defined as Inside diameter of tube A cube at high temperature is immersed in a constant temperature bath.… Thermal conductivity of a material may be defined as the Thermal conductivity of solid metals with rise in temperature normally The most commonly used method for the design of duct size is the The concept of overall coefficient of heat transfer is used in case of… Free convection flow depends on The heat transfer by conduction through a thick cylinder (Q) is given… Thermal conductivity of air with rise in temperature