Building Materials problems
- 1. A prime coat is given to steel work with
Options- A. an oxide of iron paint
- B. a mixture of white lead and lead paint
- C. a special paint
- D. cement paint. Discuss
Correct Answer: a mixture of white lead and lead paint
- 2. The size of mould for bricks, is generally kept
Options- A. a little large to specified size
- B. a little small to specified size
- C. equal to specified size
- D. 10% larger than specified size
- E. 20% larger than specified size. Discuss
Correct Answer: a little large to specified size
- 3. With storage, strength of cement
Options- A. increases
- B. decreases
- C. remains the same
- D. none to these. Discuss
Correct Answer: decreases
- 4. The rocks formed from molten magma, are called
Options- A. sedimentary rocks
- B. igneous rocks
- C. metamorphic rocks
- D. none of these. Discuss
Correct Answer: igneous rocks
- 5. The wedging is adopted for quarrying costly stratified rock such as
Options- A. laterite
- B. marble
- C. limestone
- D. sandstone
- E. All the above. Discuss
Correct Answer: All the above.
- 6. Rapid hardening cement attains early strength due to
Options- A. larger proportion of lime grounded finer than normal cement
- B. lesser proportion of lime grounded coarser than normal cement
- C. lesser proportion of lime grounded finer than normal cement
- D. larger proportien of lime grounded coarser than normal cement
- E. excess percentage of gypsum. Discuss
Correct Answer: larger proportion of lime grounded finer than normal cement
- 7. In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they
Options- A. split easily
- B. are affected by moisture
- C. both (a) and (b)
- D. none of these. Discuss
Correct Answer: both (a) and (b)
- 8. Teak wood is suitable for
Options- A. sports articles
- B. furnitures
- C. railway sleepers
- D. all the above. Discuss
Correct Answer: furnitures
- 9. The most commonly used base for timber painting, is
Options- A. red lead
- B. zinc white
- C. white lead
- D. titanium white. Discuss
Correct Answer: white lead
- 10. The lime which contains high percentage of calcium oxide, is generally called
Options- A. fat lime
- B. rich lime
- C. white lime
- D. none of these. Discuss
Correct Answer: none of these.
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