Note: For systematic learning of Forensic Cement and Mortar Analysis, you can jump to the main page of Trace Evidence MCQs sections.

1. Which State of India is the highest producer of cement?

  1. Uttar Pradesh
  2. Uttarakhand
  3. Gujrat
  4. Madhya Pradesh

Answer and Explanation

2. Which of the following cement should be kept dry to attain its strength?

  1. Hydraulic Cements
  2. Non Hydraulic Cements
  3. Plaster Cements
  4. Both (2) and (3)

Answer and Explanation

3. What are the general components of non hydraulic cements, except?

  1. Lime
  2. Gypsum
  3. Silicones
  4. Oxychloride

Answer and Explanation

4. Statement (S1): Lime is also called limestone
Statement (S2): Limestone is called calcium oxide

  1. Both S1 and S2 are correct
  2. Both S1 and S2 are not correct
  3. S1 is correct but S2 is not correct
  4. S1 is not correct but S2 is correct

Answer and Explanation

5. Non hydraulic cements hardens because of carbonation of lime with

  1. Atmospheric oxygen
  2. Atmospheric carbon dioxide
  3. Atmospheric nitrogen
  4. All of the above

Answer and Explanation

6. Hydraulic Cements hardens because of chemical reaction between anhydrous cement powder with

  1. Oxygen
  2. Nitrogen
  3. Dihydrogen monoxide
  4. Carbon dioxide

Answer and Explanation

7. Who is known as the inventor of Portland cement?

  1. William Portland
  2. William Wordworth
  3. William Shatner
  4. William Aspdin

Answer and Explanation

8. Which is true for general components of cement?

  1. Highest amount of lime
  2. Highest amount of Silica
  3. Lowest amount of slica
  4. Lowest amount of Alumina

Answer and Explanation

9. The range of lime (CaO) is within ______ in Portland cement.

  1. 30 – 35%
  2. 35 – 55%
  3. 60 – 65%
  4. 70 – 75%

Answer and Explanation

10. The main components of Portland cement are:

a. Aluminum oxide  b. Calcium oxide  c. Magnesium oxide  d. Silicon oxide

  1. a and b are correct
  2. b and d are correct
  3. a and d are correct
  4. b and c are correct

Answer and Explanation

11. Which of the following are the chemical components of portland cement, except:

  1. Silicon oxide
  2. Calcium oxide
  3. Ferric oxide
  4. Cuprous oxide

Answer and Explanation

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