Which of the following has maximum value of thermal conductivity________________?

Related Mcqs:

Unit of thermal conductivity in M.K.S. units is ___________________?

A. kcal/kg m2 °C B. kcal-m/hr m2 °C C. kcal/hr m2 °C D. kcal-m/hr °C E. kcal-m/m2 °C...

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. inversely proportional to the thickness of the body E. all of the above...

A non-dimensional number generally associated with natural convection heat transfer is________________?

A. Grashoff number B. Nusselt number C. Weber number D. Prandtl number E. Reynold number...

If the temperature of a solid surface changes form 27°C to 627°C, then its emissive power changes in the ratio of___________________?

A. 3 B. 6 C. 9 D. 27 E. 81...

The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as_________________?

A. Krichoff’s law B. Stefan’s law C. Wien’ law D. Planck’s law E. Black body law...