Building Materials and Construction Interview Questions - Set 11 - ObjectiveBooks

Building Materials and Construction Interview Questions - Set 11

Practice Test: Question Set - 11


1. The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick
    (A) 20 %
    (B) 15 %
    (C) 10 %
    (D) None of these

2. Pug mill is used for
    (A) Preparation of clay
    (B) Moulding of clay
    (C) Drying of bricks
    (D) Burning of bricks

3. Pick up the synthetic resin from the following:
    (A) Urea resin
    (B) Phenolic resin
    (C) Resorcinol resin
    (D) All of these

4. Addition of pozzolana to ordinary Portland cement increases
    (A) Bleeding
    (B) Shrinkage
    (C) Permeability
    (D) Heat of hydration

5. Plastics are compounds of carbon with element
    (A) Hydrogen
    (B) Nitrogen
    (C) Oxygen
    (D) All of these

6. Paints with white lead base are suitable for painting of
    (A) Wood work
    (B) Iron work
    (C) Both wood work and iron work
    (D) None of the above

7. For a good building stone, its specific gravity should the greater than
    (A) 1.5
    (B) 1.7
    (C) 2.2
    (D) 2.7

8. Sandstone is a
    (i) Sedimentary rock
    (ii) Aqueous rock
    (iii) Siliceous rock
    The correct answer is
    (A) Only (i)
    (B) Both (i) and (ii)
    (C) Both (i) and (iii)
    (D) All (i), (ii) and (iii)

9. The rocks having alumina or clay as their major constituents are known as
    (A) Siliceous rocks
    (B) Argillaceous rocks
    (C) Calcareous rocks
    (D) Sedimentary rocks

10. The practical limit of moisture content achieved in air drying of timber is
    (A) 5 %
    (B) 15 %
    (C) 25 %
    (D) 35 %

11. Glazing of clay products, is done
    (A) To improve their appearance
    (B) To protect them from atmospheric effect
    (C) To protect them from corrosive action
    (D) All the above

12. Study the following statements.
     (i) Hydraulic lime is suitable for white washing,
     (ii) Fat lime is suitable for whitewashing,
     (iii) Hydraulic lime is suitable for making mortar,
     (iv) Fat lime is suitable for making mortar.
     The correct answer is
    (A) (i) and (iv)
    (B) (ii) and (iii)
    (C) (i) and (ii)
    (D) (iii) and (iv)

13. The yield strength and tensile strength of low carbon steel may be improved by the addition of
    (A) Manganese
    (B) Chromium
    (C) Nickel
    (D) Vanadium

14. Three basic raw materials which are needed in large quantities for production of steel are
    (A) Iron ore, coal and sulphur
    (B) Iron ore, carbon and sulphur
    (C) Iron ore, coal and lime stone
    (D) Iron ore, carbon and lime stone

15. To give a brilliant finish, the type of varnish used, is
    (A) Water varnish
    (B) Spirit varnish
    (C) Turpentine varnish
    (D) Oil varnish

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