ISRO Mechanical & Aerospace 2018 - Question 28

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Topic: Heat Transfer

Which of the following has maximum value of thermal conductivity?

  • A. steel
  • B. copper
  • C. brass
  • D. aluminium

Answer: B. copper

Explanation: Copper has a thermal conductivity of ~385 W/mK, Aluminium is ~210 W/mK, Brass is ~110 W/mK, and Steel is 35-55 W/mK. Copper is the highest among the options.

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