Iron pipes lying under acidic soil are often attached to blocks of magnesium for protection from rusting. Magnesium offers protection to iron against corrosion because it

Materials of Construction Mcqs
BILAL KHATTAK0

A.is lighter than air
B.is more readily converted into positive irons
C.prevents air from reaching the surface of iron
D.forms a corrosion-resistant alloy with iron

Related Mcqs:

  1. Wrought iron is
  2. Which of the following form of iron is produced as a result of annealing of white cast iron?
  3. When silicon is added in the cast iron 13-17 percent is given an alloy which is
  4. While machining cast iron generally cutting fluid is not required because
  5. Corrosion
  6. Reason for yielding double amount of energy by fats is:
  7. Pipes are insulated so that
  8. Corrosion resisting materials are the alloys containing chromium as a base alloyed with
  9. Carbon steel is
  10. Grey cast iron is

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