Discussion
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- Question
Pick up the correct statement from the following:
Options- A. Horn blende mineral is brittle
- B. Muscovite is also known as white mica and potashmica
- C. Biotite is also known as blackmica
- D. All the above.
- Correct Answer
- All the above.
- 1. The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner, are known as
Options- A. knots
- B. rindgalls
- C. burls
- D. none of these. Discuss
- 2. The specific gravity of marble, is
Options- A. 2.50
- B. 2.60
- C. 2.66
- D. 2.72
- E. 3.00. Discuss
- 3. Oil varnish generally consists of
Options- A. synthetic resin and spirit
- B. oil, wax and resin
- C. resin, oil and turpentine
- D. spirit, oil and wax. Discuss
- 4. Pick up the correct statement from the following:
Options- A. Lime is available in free state
- B. Lime is available by dissolving calcium carbonate in water
- C. Lime is available by calcining calcium carbonate at 900°C
- D. Lime is nothing but calcium chloride
- E. None of these. Discuss
- 5. The most important constituent of varnish, is
Options- A. drier
- B. solvent
- C. resin
- D. all the above. Discuss
- 6. The compound of Portland cement which reacts immediately with water and also sets first is
Options- A. Tri-calcium silicate
- B. Di-calcium silicate
- C. Tri-calcium aluminate
- D. Tetra calcium alumino ferrite. Discuss
- 7. For a good building stone, its specific gravity should the greater than
Options- A. 1.5
- B. 1.7
- C. 2.2
- D. 2.7. Discuss
- 8. Permanent magnets are made of high carbon steel and
Options- A. 15% of cobalt
- B. 20% of cobalt
- C. 35% of cobalt
- D. 45% of cobalt. Discuss
- 9. The usual percentages of clay and metal in cermet are :
Options- A. 50%, 50%
- B. 60%, 40%
- C. 70%, 30%
- D. 80%, 20%. Discuss
- 10. Pick up the synthetic resin from the following:
Options- A. Malamine resin
- B. Phenolic resin
- C. Resorcinol resin
- D. Urea resin
- E. All of these. Discuss
Building Materials problems
Search Results
Correct Answer: rindgalls
Correct Answer: 2.72
Correct Answer: resin, oil and turpentine
Correct Answer: Lime is available by calcining calcium carbonate at 900°C
Correct Answer: all the above.
Correct Answer: Tri-calcium aluminate
Correct Answer: 2.7.
Correct Answer: 45% of cobalt.
Correct Answer: 80%, 20%.
Correct Answer: All of these.
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