Discussion
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- Question
Inner part of a timber log surrounding the pitch, is called
Options- A. sapwood
- B. cambium layer
- C. heart wood
- D. none to these.
- Correct Answer
- heart wood
- 1. For slaking of 10 kg of CaO, the theoretical amount of water is
Options- A. 2.2 kg
- B. 1.5 kg
- C. 3.2 kg
- D. None of these. Discuss
- 2. Pick up the correct statement regarding low heat cement from the following:
Options- A. It possesses less compressive strength
- B. Its initial setting time is about one hour
- C. Its final setting time is about 10 hours
- D. Its mainly used for mass concrete work
- E. All the above. Discuss
- 3. If the iron ore contains clay as an impurity, the flux added during calcination, is
Options- A. clay
- B. lime stone
- C. argillaceous iron ore
- D. all the above. Discuss
- 4. Plywood is made from
Options- A. common timber
- B. bamboo fibre
- C. teak wood only
- D. asbestos sheets. Discuss
- 5. Cast steel is manufactured by
Options- A. Cementation process
- B. Crucible process
- C. Bessemer process
- D. Open hearth process. Discuss
- 6. Quick lime (or caustic lime)
Options- A. is obtained by the calcination of pure lime stone
- B. has great affinity to moisture
- C. is amorphous
- D. All the above. Discuss
- 7. 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
- 8. Soundness test of cement determines
Options- A. quality of free lime
- B. ultimate strength
- C. durability
- D. initial setting
- E. all the above. Discuss
- 9. 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
- 10. Pick up the plutonic rock from the following:
Options- A. Granite
- B. Dolerite
- C. Basalt
- D. All the above. Discuss
Building Materials problems
Search Results
Correct Answer: 3.2 kg
Correct Answer: All the above.
Correct Answer: lime stone
Correct Answer: teak wood only
Correct Answer: Crucible process
Correct Answer: All the above.
Correct Answer: 50%
Correct Answer: quality of free lime
Correct Answer: metamorphic rocks
Correct Answer: Granite
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