A.m/hr
B.m2/hr
C.m/hr?C
D.m2/hr?C
E.kcal/m2-hr
Related Mcqs:
- The unit of thermal conductivity in M.K.S. unit is
- Which one of the following cannot be unit of thermal conductivity?
- The eddy momentum diffusivity the thermal diffusivity and the mass diffusivity will be the same for
- 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
- Thermal conductivity of air at room temperature is approximately
- The value of thermal conductivity of water at room temperature is expected to be
- Thermal diffusivity is
- Thermal diffusivity is least for
- 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