1. What is Corrosion?
    a) Destruction or deterioration of a material
    b) Conversion of metal atoms to metallic ions
    c) Conversion of metal ions to metal atoms
    d) Destruction of materials involving in the conversion of metal atoms into metal ions
  2. The chemical formula of rust is ______
    a) Fe1O
    b) Fe2O3
    c) Fe3O4
    d) Fe(OH)2
  3. . Which of the following materials will undergo Corrosion?
    a) Metals only
    b) Metals and Non-metals
    c) Metals, Non-metals, Ceramics and Plastics
    d) Metals, Non-metals, Ceramics, Plastics and Rubbers
  4.  Corrosion of material by furnace gases is classified as _____
    a) wet corrosion
    b) dry corrosion
    c) galvanic corrosion
    d) crevice corrosion
  5.  Which of the following is an example of wet corrosion?
    a) Corrosion of metal in the water
    b) Corrosion of iron in the presence of anhydrous calcium chloride
    c) Corrosion of titanium in dry chlorine
    d) Corrosion due to furnace gases
  6. Corrosion maintenance is vital in _____ industries.
    a) paper
    b) petroleum
    c) plastic toy
    d) both petroleum and paper
  7. Which of the following subjects are important in understanding and controlling corrosion?
    a) Thermodynamics
    b) Electrochemistry
    c) Both Thermodynamics and Electrochemistry
    d) Material Characterization
  8.  Deterioration of paint and rubber by sunlight or chemicals is not a corrosion.
    a) True
    b) False
  9.  Which of the following is an incorrect statement?
    a) Corrosion is an irreversible process
    b) Corrosion is a non-spontaneous process
    c) Corrosion is a degradation process
    d) Corrosion is a spontaneous process
  10. . Which of the following is considered as high corrosive resistant material?
    a) Mild steel
    b) Cast iron
    c) Zinc
    d) Stainless steel
  11. Corrosion involves _______ reactions.
    a) oxidation
    b) reduction
    c) displacement
    d) both oxidation and reduction
  12.  What are the advantages of corrosion?
    a) Protection of metals by surficial oxide layer
    b) Zn-carbon electrochemical reactions in the battery
    c) Decrease in the strength of material
    d) Protection of metals by the surficial oxide layer and Zn-carbon electrochemical reactions in the battery