Building Materials problems
- 1. The foliated structure is very common in
Options- A. sedimentary rocks
- B. igneous rocks
- C. metamorphic rocks
- D. none of these. Discuss
Correct Answer: metamorphic rocks
- 2. Stuco paints are suitable for
Options- A. stone masonry
- B. brick walls
- C. both (a) and (b)
- D. neither (a) nor (b). Discuss
Correct Answer: both (a) and (b)
- 3. Initial setting of cement is caused due to
Options- A. Tri-calcium silicate
- B. Di-calcium silicate
- C. Tri-calcium aluminate
- D. Tetra calcium alumino ferrite. Discuss
Correct Answer: Tri-calcium aluminate
- 4. Wrought iron is manufactured from pig iron by
Options- A. refining
- B. pudding
- C. shingling
- D. rolling
- E. all the above. Discuss
Correct Answer: all the above.
- 5. For the manufacture of stainless steel, steel is mixed with
Options- A. chromium
- B. nickel
- C. tungsten
- D. none of these. Discuss
Correct Answer: chromium
- 6. Knots in timber are
Options- A. defects caused by crushing fibres
- B. splits radiating from the centre
- C. speckled strains
- D. signs of branches cut off. Discuss
Correct Answer: signs of branches cut off.
- 7. The hardest rock is
Options- A. marble
- B. diamond
- C. talc
- D. quartz. Discuss
Correct Answer: diamond
- 8. Wrought iron is used for
Options- A. structural works in beams
- B. small sized water pipes
- C. columns and struts
- D. none to these. Discuss
Correct Answer: small sized water pipes
- 9. Turpentine oil is used in paints as
Options- A. thinner
- B. vehicle
- C. base
- D. drier. Discuss
Correct Answer: thinner
- 10. The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
Options- A. radial shakes
- B. heart shakes
- C. wind cracks
- D. twisted fibres. Discuss
Correct Answer: wind cracks
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