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- Question
Quick lime
Options- A. generates heat when added to water
- B. reacts with carbon dioxide
- C. may be used for white-washing
- D. when mixed with water forms slaked lime
- E. all the above.
- Correct Answer
- all the above.
- 1. Asbestos is
Options- A. corrugated sheet used for roofing
- B. an incombustible fire proof material
- C. an organic substance
- D. a bad insulator for sound and heat
- E. all the above. Discuss
- 2. Bitumen is generally obtained from
Options- A. organic material
- B. synthetic material
- C. petroleum product
- D. coal. Discuss
- 3. Pick up the volcanic rock from the following:
Options- A. Granite
- B. Dolerite
- C. Basalt
- D. All the above. Discuss
- 4. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called
Options- A. slate
- B. plank
- C. board
- D. strip. Discuss
- 5. In order of increasing percentage of silica, the correct sequence is
Options- A. sandy clay, calcareous clay, pure clay
- B. calcareous clay, pure clay, sandy clay
- C. pure clay, sandy clay, calcareous clay
- D. None of these. Discuss
- 6. Putty is
Options- A. made with finely powdered chalk and linseed oil
- B. used for fixing glass panes
- C. softened by a solution of pearl ash and quick-lime soaked in water
- D. all the above. Discuss
- 7. Mastic asphalt is normally used for
Options- A. sound insulation
- B. water proofing
- C. fire proofing
- D. none to these. Discuss
- 8. The minimum compressive strength of 1st class bricks should be
Options- A. 75 kg/cm2
- B. 90 kg/cm2
- C. 100 kg/cm2
- D. 120 kg/cm2
- E. 130 kg/cm2. Discuss
- 9. Pick up the correct statement from the following:
Options- A. The plywoods do not split or crack due to changes in atmosphere
- B. The commercial plywoods are available upto 150 cm wide and upto 300 cm long
- C. The plywoods possess uniform tensile strength in all directions
- D. The plywoods are light in weight
- E. All the above. Discuss
- 10. The main ingredient of a good quality brick earth, is
Options- A. magnesia
- B. lime
- C. silica
- D. alumina. Discuss
Building Materials problems
Search Results
Correct Answer: all the above.
Correct Answer: petroleum product
Correct Answer: Basalt
Correct Answer: strip.
Correct Answer: calcareous clay, pure clay, sandy clay
Correct Answer: all the above.
Correct Answer: water proofing
Correct Answer: 100 kg/cm2
Correct Answer: All the above.
Correct Answer: alumina.
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