Discussion
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- Question
For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is
Options- A. 80 : 13 : 7
- B. 70 : 20 : 10
- C. 60 : 35 : 5
- D. none of these.
- Correct Answer
- 80 : 13 : 7
- 1. Good quality sand is never obtained from
Options- A. river
- B. nala
- C. sea
- D. gravel powder. Discuss
- 2. Refractory bricks resist
Options- A. high temperature
- B. chemical action
- C. dampness
- D. all the above. Discuss
- 3. Non acid-resistant asbestos is :
Options- A. tremolite asbestos
- B. chrysolite abestos
- C. amosite absestos
- D. none of these. Discuss
- 4. Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following:
Options- A. Alumina
- B. Lime
- C. Ironoxide
- D. Magnesia. Discuss
- 5. The pigment used in paints for corrosive resistance, is
Options- A. white lead
- B. ferrous oxide
- C. zinc white
- D. red lead
- E. gypsum. Discuss
- 6. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called
Options- A. Plutonic rocks
- B. Hypabyssal rocks
- C. Volcanic rocks
- D. Ignoeous rocks. Discuss
- 7. The rocks having alumina or clay as their major constituents, are known as
Options- A. siliceous rocks
- B. argillaceous rocks
- C. calcareous rocks
- D. sedimentary rocks
- E. igneous rocks. Discuss
- 8. The fire clay contains pure
Options- A. lime
- B. oxide of iron
- C. hydrated aluminium silicate
- D. magnesium. Discuss
- 9. A ferrous metal is
Options- A. cast iron
- B. wrought iron
- C. steel
- D. all the above. Discuss
- 10. Blister steel
Options- A. is obtained by cementation process
- B. is full of fissures and cavities
- C. can not be forged
- D. can be easily welded
- E. all the above. Discuss
Building Materials problems
Search Results
Correct Answer: sea
Correct Answer: high temperature
Correct Answer: chrysolite abestos
Correct Answer: Alumina
Correct Answer: red lead
Correct Answer: Hypabyssal rocks
Correct Answer: argillaceous rocks
Correct Answer: hydrated aluminium silicate
Correct Answer: all the above.
Correct Answer: all the above.
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