Building Materials Civil Engineering MCQ - Set 04 - ObjectiveBooks

Building Materials Civil Engineering MCQ - Set 04

Practice Test: Question Set - 04

1. The most commonly used retarder in cement is
    (A) Gypsum
    (B) Calcium chloride
    (C) Calcium carbonate
    (D) None of the above

2. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called
    (A) Plutonic rocks
    (B) Hypabyssal rocks
    (C) Volcanic rocks
    (D) Igneous rocks

3. The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is
    (A) Less than 1
    (B) Equal to 1
    (C) Greater than 1
    (D) Less than 1 in beams but greater than 1 in channels

4. Non acid-resistant asbestos is:
    (A) Tremolite asbestos
    (B) Chrysotile asbestos
    (C) Amosite asbestos
    (D) None of these

5. The pressure acting on the stones in stone masonry construction should be
    (A) Along the direction of bedding planes
    (B) At 45° to the direction of bedding planes
    (C) At 60° to the direction of bedding planes
    (D) Perpendicular to the direction of bedding planes

6. Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following:
    (A) Alumina
    (B) Lime
    (C) Iron-oxide
    (D) Magnesia

7. The type of bond provided in brick masonry for carrying heavy loads is
    (A) Single Flemish bond
    (B) Double Flemish bond
    (C) English bond
    (D) Zigzag bond

8. Blister steel
    (A) Is obtained by cementation process
    (B) Is full of fissures and cavities
    (C) Can be easily welded
    (D) All the above

9. Gypsum is a
    (A) Mechanically formed sedimentary rock
    (B) Igneous rock
    (C) Chemically precipitated sedimentary rock
    (D) Metamorphic rock

10. Seasoning of timber is done
    (A) To make it water proof
    (B) To paint its surface
    (C) To increase its temperature
    (D) To remove water

11. Which of the following is a rock?
    (A) Quartz
    (B) Mica
    (C) Gypsum
    (D) None of the above

12. The tendency of a stone is, to split along:
    (A) Texture
    (B) Fracture
    (C) Cleavage
    (D) Structure

13. Which of the following stone is best suited for construction of piers and abutments of a railway bridge?
    (A) Granite
    (B) Sand stone
    (C) Lime stone
    (D) Quartzite

14. Cast iron contains carbon approximately
    (A) 1.5% to 5.5%
    (B) 0.05% to 1.75%
    (C) 0.250 %
    (D) None to these

15. Which of the following trees yields hard wood?
    (A) Deodar
    (B) Chir
    (C) Shishum
    (D) Pine

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