1079Mechanical EngineeringMedium
Thermal conductivity of a material may be defined as the________?
Aall of the above
Bquantity of heat flowing in one second through a slab of the material of area one cm square, thickness 1 cm when its faces differ in temperature by 1°C
Cheat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite faces
Dquantity of heat flowing in one second through one cm cube of material when opposite faces ^re maintained at a temperature difference of 1°C
Enone of the above
Correct answer
A. all of the above
Explanation
The correct answer is all of the above.