A.kcal/m/?C
B.kcal/m/sec?C
C.kcal/m2/?C sec
D.None of the above
Related Mcqs:
- Which one of the following cannot be unit of thermal conductivity?
- Thermal conductivity of air at room temperature is approximately
- The value of thermal conductivity of water at room temperature is expected to be
- The face temperatures of a flat wall are 650?C and 450?C respectively and the thermal conductivity of wall material is 0.30 kcal/m-hr-?C. For a wall thickness of 20 cm, the rate of heat conduction per square meter of wall area will be
- A sphere of radius 40 cm is lagged to a radius of 50 cm. The temperatures of outer and inner surfaces are 66?C and 235?C respectively. Thermal conductivity of logging per cm thickness is 0.7 kcal/m-hr?C. The rate of heat leakage will be
- The surface temperatures of a flat wall are 650?C and 450?C respectively and the thermal conductivity of the wall material is 0.30 kcal/m-hr-?C. The heat flux for a wall of 20 cm thickness will be
- The unit of thermal conductivity in S.I. units is
- The unit of thermal diffusivity is
- If thermal conductivity of aluminium is say 100 units at 0?C, the thermal conductivity at 500?C will be closer to
- The heating value of petrol is
