Building Materials Objective type Questions - Set 27 - ObjectiveBooks

Building Materials Objective type Questions - Set 27

Practice Test: Question Set - 27

1. The compound of Portland cement which contributes to the strength after two to three years is
    (A) Tri-calcium silicate
    (B) Di-calcium silicate
    (C) Tri-calcium aluminate
    (D) Tetra-calcium alumino ferrite

2. Bessemer process is used for the manufacture of
    (A) Pig iron
    (B) Cast iron
    (C) Wrought iron
    (D) Steel

3. Which one of the following is an air binding material?
    (A) Gypsum
    (B) Acid-resistant cement
    (C) Quick lime
    (D) All of these

4. A good quality stone absorbs water less than
    (A) 5 %
    (B) 10 %
    (C) 15 %
    (D) 25 %

5. The slag which floats on the surface of the molten iron generally contains
    (A) Lime (CaO) 45%
    (B) Silica (SiO2) 35%
    (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8%
    (D) All the above

6. For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
    (A) Run at right angles
    (B) Parallel
    (C) Inclined at 45°
    (D) Inclined at 60°

7. The commonly used drying oil for oil paints, is
    (A) Olive oil
    (B) Linseed oil
    (C) Kerosene oil
    (D) Acetate of lead

8. Initial setting of cement is caused due to
    (A) Tri-calcium silicate
    (B) Di-calcium silicate
    (C) Tri-calcium aluminate
    (D) Tetra calcium alumino ferrite

9. Wrought iron is manufactured from pig iron by
    (A) Refining
    (B) Pudding
    (C) Shingling
    (D) All the above

10. Fibre boards can be
    (A) Distempered
    (B) Painted
    (C) Painted and distempered
    (D) Used for furniture

11. Lime concrete is generally used for
    (A) Wall foundations
    (B) Flooring at ground level
    (C) Both (A) and (B)
    (D) Neither (A) nor (B)

12. Bituminous fells are used for
    (A) Covering A.C. sheets
    (B) Covering sloping roofs
    (C) D.P.C.
    (D) None to these

13. Quick setting cement is produced by adding
    (A) Less amount of gypsum in very fine powdered form
    (B) More amount of gypsum in very fine powdered form
    (C) Aluminium sulphate in very fine powdered form
    (D) Pozzolana in very fine powdered form

14. Pick up the correct statement from the following:
    (A) The substance which consists of one primary chemical, is known as monomer
    (B) The polymer consists of thousands of monomers joined together
    (C) The polymer molecule is called macro-molecule
    (D) All the above

15. The normal curing period for lime mortar, is:
    (A) 1 day
    (B) 3 days
    (C) 7 days
    (D) 10 days

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