Building Materials problems
- 1. The portion of a brick cut to form angles other than right angles in plan, is known as
Options- A. queen closer
- B. king closer
- C. closer
- D. squint brick. Discuss
Correct Answer: squint brick.
- 2. Pick up the correct statement from the following:
Options- A. Steel produced by open hearth process is milder than that obtained by the bessemer process
- B. Engineers prefer open hearth steel for structural purpose as it is more homogenous
- C. Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
- D. all the above. Discuss
Correct Answer: all the above.
- 3. Cast iron
Options- A. is obtained by purifying pig iron
- B. is manufactured in required shapes
- C. may contain 2 to 5 per cent of carbon with other impurities
- D. is remelted in a cupola furnace
- E. all the above. Discuss
Correct Answer: all the above.
- 4. The steel which contains fissures and cavities, is manufactured by
Options- A. Cementation process
- B. Crucible process
- C. Bessemer process
- D. Open hearth process. Discuss
Correct Answer: Cementation process
- 5. The commonly used thinner in oil paints, is
Options- A. naptha
- B. turpentine
- C. both (a) and (b)
- D. neither (a) nor (b)
- E. none the these. Discuss
Correct Answer: both (a) and (b)
- 6. The size of modular bricks, is
Options- A. 10 x 10 x 9 cm
- B. 19 x 9 x 9 cm
- C. 22.5 x 10 x 8.5 cm
- D. 22.5 x 8.0 x 9 cm. Discuss
Correct Answer: 19 x 9 x 9 cm
- 7. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is
Options- A. right angles
- B. 45°
- C. 60°
- D. parallel
- E. None of these. Discuss
Correct Answer: right angles
- 8. The kiln which may work throughout the year, is
Options- A. Clamp
- B. Bull's kiln
- C. Hoffman's kiln
- D. none of these. Discuss
Correct Answer: Hoffman's kiln
- 9. Water paint is a
Options- A. white wash
- B. colour wash
- C. whiting
- D. distemper
- E. all the above. Discuss
Correct Answer: all the above.
- 10. The stones obtained by blasting are used as
Options- A. ballast in railways
- B. aggregates for concrete
- C. roadmetal
- D. All the above. Discuss
Correct Answer: All the above.
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