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- Question
Pick up the correct statement from the following:
Options- A. In basic Bessemer process, the steel heats the converter
- B. In open-hearth process, the furnace heats the steel
- C. In Siemens process, the impurities of pig iron are oxidised by the oxygen of the ore
- D. all the above.
- Correct Answer
- all the above.
- 1. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout
Options- A. the monsoon
- B. the winter
- C. the summer
- D. none of these. Discuss
- 2. Stainless steel contains
Options- A. 18% of chromuim and 8% nickel
- B. 8% of chromium and 18% of nickel
- C. 12% of chromium and 36% of nickel
- D. 36% of chromium and 12% of nickel. Discuss
- 3. The initial setting time of lime-pozzolana, is
Options- A. 30 minutes
- B. 60 minutes
- C. 90 minutes
- D. 120 minutes. Discuss
- 4. Wrought iron contains carbon upto
Options- A. 0.25%
- B. 1.0%
- C. 1.5%
- D. 2%. Discuss
- 5. Pick up the correct statement from the following:
Options- A. For thin structures subjected to wetting and drying, the water cement ratio should be 0.45
- B. For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55
- C. For thin structures which remain continuously under water, the water-cement ratio by weight should be 0.55
- D. For massive concrete structures which remain continuously under water, the water cement ratio by weight should be 0.65
- E. All the above. Discuss
- 6. Bitumen felt
Options- A. is used as water proofing material
- B. is used as damp proofing material
- C. is made from bitumen and hessian fibres
- D. all the above. Discuss
- 7. Pick up the correct statement from the following:
Options- A. In stone arches, the stones are placed with their natural beds radial
- B. In cornices, the stones are placed with their natural beds as vertical
- C. In stone walls, the stones are placed with their natural beds as horizontal
- D. All the above. Discuss
- 8. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called
Options- A. Bessemer pig
- B. Grey or foundry pig
- C. White or forge pig
- D. Mottled pig. Discuss
- 9. Bitumen in
Options- A. solid state, is called asphalt
- B. semi fluid state, is called mineral tar
- C. fluid state, is called petroleum
- D. all the above. Discuss
- 10. Plastic
Options- A. is an organic substance
- B. consists of natural or synthetic binders
- C. finished products are rigid and stable at normal temperature
- D. is capable of flow when necessary heat and pressure are applied
- E. All the above. Discuss
Building Materials problems
Search Results
Correct Answer: the monsoon
Correct Answer: 18% of chromuim and 8% nickel
Correct Answer: 120 minutes.
Correct Answer: 0.25%
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: All the above.
Correct Answer: White or forge pig
Correct Answer: all the above.
Correct Answer: All the above.
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