MCQ Practice Test Building Materials - Set 30 - ObjectiveBooks

MCQ Practice Test Building Materials - Set 30

Practice Test: Question Set - 30

1. Stones used for the construction of retaining walls must be
    (A) Soft
    (B) Hard
    (C) Light
    (D) Heavy

2. Permanent magnets are made of high carbon steel and
    (A) 15% of cobalt
    (B) 20% of cobalt
    (C) 35% of cobalt
    (D) 45% of cobalt

3. Stainless steel resists corrosion due to
    (A) Carbon
    (B) Sulphur
    (C) Vanadium
    (D) Chromium

4. The most important constituent of varnish, is
    (A) Drier
    (B) Solvent
    (C) Resin
    (D) All the above

5. A ferrous metal is
    (A) Cast iron
    (B) Wrought iron
    (C) Steel
    (D) All the above

6. For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is
    (A) 80 : 13 : 7
    (B) 70 : 20 : 10
    (C) 60 : 35 : 5
    (D) None of these

7. Water paint is a
    (A) White wash
    (B) Color wash
    (C) Whiting
    (D) All the above

8. Spirit varnish generally consists of
    (A) Oil, wax and resin
    (B) Alcohol, wax and turpentine
    (C) Pigment and synthetic resin
    (D) Spirit and shellac

9. Duco paints are
    (A) Plastic paints
    (B) Cellulose paints
    (C) Emulsion paints
    (D) Oil paints

10. Pick up the correct statement from the following:
    (A) Melamine is obtained from calcium carbide
    (B) Formaldehyde is prepared synthetically from methane
    (C) The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin
    (D) All the above

11. Steel contains carbon approximately
    (A) 1.50% to 5.6%
    (B) 0.05% to 1.75%
    (C) 0.25 %
    (D) None to these

12. Based on its dry weight, a freshly felled tree may contain water
    (A) 25 %
    (B) 50 %
    (C) 75 %
    (D) 100 %

13. Forge pig may be converted to wrought iron by
    (A) Rolling
    (B) Pudding
    (C) Shingling
    (D) Refining

14. Pick up the correct statement from the following:
    (A) Bull's trench kiln a trench excavated in ground
    (B) Hoffman's kiln is constructed over ground
    (C) Tunnel Kiln is constructed as a tunnel
    (D) All the above

15. The softest rock is
    (A) Marble
    (B) Diamond
    (C) Talc
    (D) Quartz

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