Which one of the following will have least value of thermal conductivity?

Related MCQs

• The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K0 + at, where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be
• For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
• If thermal conductivity of aluminium is say 100 units at 0?C, the thermal conductivity at 500?C will be closer to
• A wall has two layers A and B, each made of a different material. Both the layers have the same thickness. The thermal conductivity of material of A is twice that of B. Under the thermal equilibrium the temperature difference across the wall is 30?C. The temperature drops in layers A and B will be respectively
• Which one of the following materials will have highest value of thermal conductivity?
• Which sample of concrete may be expected to have highest value of thermal conductivity
• Which variety of steel may be expected to have lowest value of thermal conductivity?
• Thermal conductivity of wood least depends on
• Which of the following has maximum value of thermal conductivity
• Which of the following has the highest value of the thermal conductivity