ISRO Mechanical & Aerospace 2013 - Question 36

All ISRO Mechanical & Aerospace papers | ISRO Mechanical & Aerospace 2013

In descending order of magnitude, the thermal conductivity of (a) pure iron, (b) liquid water, (c) saturated water vapour and (d) aluminium can be arranged as

  • A. a b c d
  • B. b c a d
  • C. d a b c
  • D. d c b a

Answer: C. d a b c

Explanation: k_Al (~200) > k_Iron (~80) > k_Water (~0.6) > k_Vapour (~0.02).

| | All questions of ISRO Mechanical & Aerospace 2013