Discussion
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- Question
To retard the initial setting time of cement, the compound responsible, is
Options- A. Tricalcium silicate
- B. Gypsum
- C. Di-calcium silicate
- D. Tri calcium aluminate.
- Correct Answer
- Gypsum
- 1. Pegmatite is a/an
Options- A. intrusive igneous rock
- B. extrusive igneous rock
- C. sedimentary rock
- D. metamorphic rock. Discuss
- 2. Porcelain is used as :
Options- A. sanitary wares
- B. electric insulators
- C. storage vessels
- D. reactor chambers
- E. All of the above. Discuss
- 3. The percentage of alumina and silica in good fire clay vary respectively is
Options- A. 25, 75
- B. 30, 70
- C. 35, 65
- D. All of these. Discuss
- 4. If the ore impurities is
Options- A. clay, lime stone is used as flux
- B. lime stone, clay is used as flux
- C. quartz, lime stone and argallaceous iron ores are used as flux
- D. All the above. Discuss
- 5. The property by virtue of which lime sets under water, is known as
Options- A. slacking
- B. setting
- C. hydraulicity
- D. calcining. Discuss
- 6. The most important constituent of an oil paint, is
Options- A. thinner
- B. vehicle
- C. pigment
- D. base
- E. all the above. Discuss
- 7. Lime putty
Options- A. is made from hydraulic lime
- B. is made by adding lime to water
- C. can be used only upto three days
- D. may be obtained from drying lime water mix passing through IS sieve No. 300
- E. all of above. Discuss
- 8. According to IS 399-1963, the weight of the timber is specified at
Options- A. 8% moisture content
- B. 10% moisture content
- C. 12% moisture content
- D. 14% moisture content. Discuss
- 9. The portion of the brick cut across its width and having its length equal to that of a full brick, is known as
Options- A. closer
- B. queen closer
- C. king closer
- D. prince closer
- E. none of these. Discuss
- 10. The steel used for the manufacture of rails, is
Options- A. Bessemer steel
- B. mild steel
- C. cast steel
- D. stainless steel. Discuss
Building Materials problems
Search Results
Correct Answer: intrusive igneous rock
Correct Answer: reactor chambers
Correct Answer: 25, 75
Correct Answer: All the above.
Correct Answer: hydraulicity
Correct Answer: all the above.
Correct Answer: all of above.
Correct Answer: 12% moisture content
Correct Answer: queen closer
Correct Answer: Bessemer steel
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