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- Question
Mastic asphalt is generally used for
Options- A. damp proof course
- B. water proof layer
- C. partition walls
- D. both (a) and (b).
- Correct Answer
- both (a) and (b).
- 1. A good brick earth should contain :
Options- A. about 20% to 30% of alumina
- B. about 50% to 60% of silica
- C. not more than 5% of lime
- D. about 5 to 6% of oxide of lime
- E. All the above. Discuss
- 2. A good quality stone absorbs water less than
Options- A. 5%
- B. 10%
- C. 15%
- D. 20%
- E. 25%. Discuss
- 3. Shingle is
Options- A. decomposed laterite
- B. crushed granite
- C. water bound pebbles
- D. air weathered rock. Discuss
- 4. Name the type of cement from the following for canal linings :
Options- A. sulphate resisting cement
- B. rapid hardening cement
- C. quick setting cement
- D. pozzuolana cement. Discuss
- 5. Minimum of 40% of iron, is available in
Options- A. Magnetite
- B. Red haemetite
- C. Limonite
- D. Siderite
- E. Black band. Discuss
- 6. The lime which contains mainly calcium oxide and slacks with water, is
Options- A. fat lime
- B. quick lime
- C. hydraulic lime
- D. poor lime
- E. none of these. Discuss
- 7. Cement is said to be of good quality if
Options- A. its colour is not greenish grey
- B. one feels cool by thrusting one's hand in the cement bag
- C. it is not smooth when rubbed in between fingers
- D. a handful of cement thrown into a bucket of water does not float
- E. none of these. Discuss
- 8. Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a
Options- A. cant
- B. deal
- C. baulk
- D. strip. Discuss
- 9. Which one of the following is an air binding material?
Options- A. Gypsum
- B. Acid-resistant cement
- C. Quick lime
- D. All of these. Discuss
- 10. If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is
Options- A. 0.70 P
- B. 0.75 P
- C. 0.80 P
- D. 0.85 P
- E. 0.90 P. Discuss
Building Materials problems
Search Results
Correct Answer: All the above.
Correct Answer: 5%
Correct Answer: decomposed laterite
Correct Answer: sulphate resisting cement
Correct Answer: Black band.
Correct Answer: quick lime
Correct Answer: none of these.
Correct Answer: baulk
Correct Answer: All of these.
Correct Answer: 0.85 P
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