Building Materials problems
- 1. For filling cracks in masonry structures, the type of bitumen used, is
Options- A. cut-back bitumen
- B. bitumen-emulsion
- C. blown bitumen
- D. plastic bitumen. Discuss
Correct Answer: plastic bitumen.
- 2. Sand stone is
Options- A. sedimentary rock
- B. metamorphic rock
- C. igneous rock
- D. volcanic rock. Discuss
Correct Answer: sedimentary rock
- 3. In the cement the compound quickest to react with water, is
Options- A. Tricalcium aluminate
- B. Tetra-calcium alumino-ferrite
- C. Tricalcium silicate
- D. Dicalcium silicate. Discuss
Correct Answer: Tricalcium aluminate
- 4. Lacquer paints
Options- A. are generally applied on structural steel
- B. are less durable as compared to enamel paints
- C. consist of resin and nitro-cellulose
- D. contain alcohol as thinner
- E. all the above. Discuss
Correct Answer: all the above.
- 5. The commonly used colour pigment in paints, is
Options- A. ambers
- B. carbon black
- C. iron oxide
- D. lamp black
- E. all the above. Discuss
Correct Answer: all the above.
- 6. For preparing porcelains, the clay should be
Options- A. sufficiently pure
- B. of high degree of tanacity
- C. of good plasticity
- D. All the above. Discuss
Correct Answer: All the above.
- 7. The rocks formed by gradual deposition, are called
Options- A. sedimentary rocks
- B. igneous rocks
- C. metamorphic rocks
- D. none of these. Discuss
Correct Answer: sedimentary rocks
- 8. Galvanising means covering iron with a thin coat of
Options- A. tin
- B. zinc
- C. glaze
- D. coal tar. Discuss
Correct Answer: zinc
- 9. Gniess is obtained from
Options- A. igneous rocks
- B. metamorphic rocks
- C. sedimentary rocks
- D. sedimentary metamorphic rocks. Discuss
Correct Answer: sedimentary metamorphic rocks.
- 10. Good quality stones must
Options- A. be durable
- B. be free from clay
- C. resist action of acids
- D. all the above. Discuss
Correct Answer: all the above.
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