Discussion
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- Question
Pick up the correct statement from the following: Method of sawing timber
Options- A. tangentially to annual rings, is known as tangential method.
- B. in four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method.
- C. cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing.
- D. all the above.
- Correct Answer
- all the above.
- 1. Expanded metal is
Options- A. manufactured from steel sheets
- B. used for reinforced concrete in road pavements
- C. measured in term of SWM (shortway mesh) and LWM (long way mesh)
- D. all the above. Discuss
- 2. Pick up the plutonic rock from the following:
Options- A. Granite
- B. Dolerite
- C. Basalt
- D. All the above. Discuss
- 3. Rocks formed due to alteration of original structure due to heat and excessive pressure are called
Options- A. sedimentary rocks
- B. igneous rocks
- C. metamorphic rocks
- D. none of these. Discuss
- 4. Soundness test of cement determines
Options- A. quality of free lime
- B. ultimate strength
- C. durability
- D. initial setting
- E. all the above. Discuss
- 5. Clay and silt content in a good brick earth must be at least
Options- A. 50%
- B. 40%
- C. 30%
- D. 25%
- E. 20%. Discuss
- 6. Chemically, marble is known as
Options- A. metamorphic rock
- B. argillaceous rock
- C. calcareous rock
- D. silicious rock. Discuss
- 7. The standard size of masonry bricks, is
Options- A. 18 cm x 8 cm x 8 cm
- B. 19 cm x 9 cm x 9 cm
- C. 20 cm x 10 cm x 10 cm
- D. 21 cm x 11 cm x 11 cm
- E. none of these. Discuss
- 8. The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:
Options- A. 15, 75, 10
- B. 75, 10, 15
- C. 10, 15, 75
- D. 10, 75, 15. Discuss
- 9. Resins are
Options- A. not soluble in water
- B. soluble in spirit
- C. used in varnishes
- D. left behind on evaporation of oil
- E. all the above. Discuss
- 10. Inhaling of fly-ash over a long period causes
Options- A. silicosis
- B. fibrosis of lungs
- C. bronchitis
- D. pneumonitis
- E. All of these. Discuss
Building Materials problems
Search Results
Correct Answer: all the above.
Correct Answer: Granite
Correct Answer: metamorphic rocks
Correct Answer: quality of free lime
Correct Answer: 50%
Correct Answer: calcareous rock
Correct Answer: 19 cm x 9 cm x 9 cm
Correct Answer: 15, 75, 10
Correct Answer: used in varnishes
Correct Answer: All of these.
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