Practice Test: Question Set - 05
1. Soundness of cement is tested by
- (A) Vicat's
apparatus
- (B) Le-chatelier
apparatus
- (C) Compressive
strength testing apparatus
- (D) None
of these
2. First class timber has an average life of
- (A) Less than one year
- (B) 1 to 5 years
- (C) 5 to 10 years
- (D) More than 10 years
3. Bitumen may be dissolved in
- (A) Carbondioxide
- (B) Water
- (C) Sodium
chloride
- (D) Carbon
disulphide
4. Which of the following ingredients of the brick earth enables the brick to retain its shape?
- (A) Alumina
- (B) Silica
- (C) Iron
- (D) Magnesia
5. Veneering means
- (A) Carving
out designs on timber planks
- (B) Chemically
treating timber planks
- (C) Thick
layer of superior wood glued to inferior wood
- (D) Thin
layer of superior wood glued to inferior wood
6. Number of bricks required for one cubic metre of brick masonry is
- (A) 400
- (B) 450
- (C) 500
- (D) 550
7. Which one of the following is used for preparing porcelain?
- (A) Clay
- (B) Feldspar
- (C) Quartz
- (D) All
of these
8. The main ingredients of Portland cement are
- (A) Lime and silica
- (B) Lime and alumina
- (C) Silica and alumina
- (D) Lime and iron
9. Pick up the correct statement from the following:
- (A) Blistering
may be cured by applying water paint finished with oil paint dried with a
little copal varnish
- (B) Cracked
paints may be cured by removing paint and giving a fresh coat of paint
- (C) Crawling
paints may be cured by sand preparing the surface and giving a fresh coat with
plenty of turps
- (D) All
the above
10. After storage, the strength of cement
- (A) Decreases
- (B) Increases
- (C) Remains same
- (D) May increase or decrease
11. A bull nose brick is not used for
- (A) Rounding
off sharp corners
- (B) Pillars
- (C) Decoration
purpose
- (D) Arches
12. The most common admixture which is used to accelerate the initial set of concrete is
- (A) Gypsum
- (B) Calcium chloride
- (C) Calcium carbonate
- (D) None of the above
13. Chlorite, a green colour mineral is mainly derived from the decomposition of
- (A) Augite
- (B) Biotite
- (C) Hornblende
- (D) All
of these
14. The ultimate tensile strength of structural mild steel is about
- (A) 160 N/mm²
- (B) 260 N/mm²
- (C) 420 N/mm²
- (D) 520 N/mm²
15. Asbestos
- (A) Is a natural
fibrous mineral substance
- (B) Is composed
of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3)
- (C) Contains
iron oxide and alumina
- (D) All the
above
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