A. 0.002
B. 0.02
C. 0.01
D. 0.1
E. 0.5

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Related Mcqs:

  1. Thermal conductivity of air with rise in temperature__________________?
    A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. none of the above...
  2. Thermal conductivity of non-metallic amorphous solids with decrease in temperature __________________?
    A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. unpredictable...
  3. Thermal conductivity of solid metals with rise in temperature normally___________________?
    A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. unpredictable...
  4. Thermal conductivity of water in general with rise in temperature ____________________?
    A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. none of the above...
  5. Thermal conductivity of water at 20°C is of the order of_____________________?
    A. 0.1 B. 0.23 C. 0.42 D. 0.51 E. 0.64...
  6. In heat transfer, conductance equals conductivity (kcal/hr/sqm/°C/cm) divided by ________________?
    A. hr (time) B. sqm (area) C. °C (temperature) D. cm (thickness) E. kcal (heat)....
  7. Unit of thermal conductivity in M.K.S. units is ___________________?
    A. kcal/kg m2 °C B. kcal-m/hr m2 °C C. kcal/hr m2 °C D. kcal-m/hr °C E. kcal-m/m2 °C...
  8. Unit of thermal conductivity in S.I. units is__________________?
    A. J/m2 sec B. J/m °K sec C. W/m °K D. A. and C. above E. B. and C. above...
  9. Thermal conductivity of a material may be defined as the________________?
    A. quantity of heat flowing in one second through one cm cube of material when opposite faces ^re maintained at a temperature difference of 1°C B. 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...
  10. Thermal conductivity of wood depends on_______________?
    A. moisture B. density C. temperature D. all of the above E. none of the above...
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