Thermal conductivity of a material may be defined as the

Thermal conductivity of a material may be defined as the Correct Answer All of the above

Thermal conductivity of a material may be defined as the:
- Quantity of heat flowing in one second through one cm cube of material when opposite faces are maintained at a temperature difference of 1°C.
- Quantity 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.
- Heat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite faces.
Bissoy MCQ

Related Questions

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
High thermal conductivity of a refractory material is not important, when it is to be used in the
Thermal conductivity of a material does not depend upon its
Thermal conductivity of a conducting solid material depends upon its
Which of the following is the best tube material from thermal conductivity point of view alone?
Which of the metals has the maximum thermal conductivity?