(a) State TRUE or FALSE for the following statement. If FALSE, write the correct statement. (i) Most metals are good con

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A State True Or False For The Following Statement If False Write The Correct Statement I Most Metals Are Good Con 1 (76.25 KiB) Viewed 20 times

(a) State TRUE or FALSE for the following statement. If FALSE, write the correct statement. (i) Most metals are good conductors of heat because of the migration of neutrons from hot end to cold end. Thermal conductivity is defined as the heat flow per unit time across unit area when the temperature gradient is unity. (iii) For a given Nusselt number, the convective coefficient is inversely proportional to the thermal conductivity of the fluid. (iv) The ratio of heat transfer by convection to that by conduction is called Biot number. (v) On a heat transfer surface, fins are provided to decrease the surface area to enhance the rate of heat transfer. [C2, SP1][8 marks]