Thermal conductivity of a material does not depend upon its

A. Mass

B. Volume

C. Surface area

D. All 'a', 'b' & 'c'

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  1. Pick out the wrong statement.
  2. In connection with corrosion of metals, passivation is the process that
  3. Often earing defects are found during deep drawing operation, because the
  4. __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
  5. Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
  6. Faraday's law of electrolysis is related to the
  7. Unbreakable crockeries are made from __________ polymers.
  8. Increasing sulphur content in pig iron tends to make it
  9. Production of a hollow product by inflation of a tube or parison is called the __________ process.
  10. In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The…
  11. Milk is fat dispersed in water. It is an example of
  12. Which of the following is the correct nature of shear stress distribution along the cross section in…
  13. __________ is a non volatile film forming constituent of a paint.
  14. Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be…
  15. Pearlite comprises of
  16. Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
  17. The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature…
  18. Basicity of the slag in Indian blast furnace is in the range of
  19. Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
  20. A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal…
  21. On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate…
  22. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
  23. Magnesium is present in
  24. Which of the following approaches the ideal gas behaviour most closely?
  25. __________ pipe is the most suitable for carrying sanitary drainage.
  26. Fibre glass is a composite material of
  27. __________ metal is used as a bearing liner material.
  28. Co-efficient of performance of a Carnot cycle refrigerator operating between - 23°C and + 27°C…
  29. Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid…
  30. Upto the critical radius of insulation, added insulation, will