Discussion
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- Question
Asbestos
Options- A. is a natural fibrous mineral substance
- B. is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3)
- C. contains iron oxide and alumina
- D. all the above.
- Correct Answer
- all the above.
- 1. The plastics prepared from Vinyl resin are
Options- A. odourless
- B. non-toxic
- C. transparent
- D. colourless
- E. all of these. Discuss
- 2. A rock contains only one mineral. It is called
Options- A. homogeneous
- B. non-homogeneous
- C. monomineralic
- D. polymineralic. Discuss
- 3. Linseed oil is used in paints as
Options- A. thinner
- B. vehicle
- C. base
- D. drier. Discuss
- 4. Soundness of cement is tested by
Options- A. Vicat's apparatus
- B. Le-chatelier apparatus
- C. compressive strength testing apparatus
- D. none of the these. Discuss
- 5. Steel contains carbon approximately
Options- A. 1.50% to 5.6%
- B. 0.05% to 1.75%
- C. 0.25%
- D. none to these. Discuss
- 6. Refractory bricks are
Options- A. neutral refractory bricks
- B. acid refractory bricks
- C. basic refractory bricks
- D. all the above. Discuss
- 7. Slump test for concrete is carried out, to determine
Options- A. strength
- B. durability
- C. workability
- D. water content. Discuss
- 8. Bullet proof glass is made of thick glass sheet sandwiched by a layer of
Options- A. steel
- B. stainless steel
- C. high test plastic
- D. chromium plate. Discuss
- 9. For high grade instruments the steel preferred to, is
Options- A. cast steel
- B. bessemer steel
- C. mild steel
- D. whitworth compressed steel. Discuss
- 10. Magnese steels
Options- A. are non-magnetic
- B. possess high electrical resistance
- C. possess low coefficient of expansion
- D. are used for the manufacture of rails
- E. all the above. Discuss
Building Materials problems
Search Results
Correct Answer: all of these.
Correct Answer: monomineralic
Correct Answer: drier.
Correct Answer: Le-chatelier apparatus
Correct Answer: 0.05% to 1.75%
Correct Answer: all the above.
Correct Answer: workability
Correct Answer: high test plastic
Correct Answer: cast steel
Correct Answer: all the above.
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