Discussion
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- Question
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.
- Correct Answer
- sulphate resisting cement
- 1. Minimum of 40% of iron, is available in
Options- A. Magnetite
- B. Red haemetite
- C. Limonite
- D. Siderite
- E. Black band. Discuss
- 2. A badly mixed cement concrete results in
Options- A. segregation
- B. bleeding
- C. honey combing
- D. none to these. Discuss
- 3. Pick up the correct statement from the following:
Options- A. Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite
- B. Dr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite
- C. Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it Plastic
- D. All the above. Discuss
- 4. The commonly used lime in white washing, is
Options- A. white lime
- B. fat lime
- C. hydraulic lime
- D. lime
- E. quick lime. Discuss
- 5. The slag which floats on the surface of the molten iron generally contains
Options- A. Lime (CaO) 45%
- B. Silica (SiO2) 35%
- C. Alumina (Al2O3) 12%
- D. MgO, CaSO4, KMnO2 and FeO 8%
- E. all the above. Discuss
- 6. Shingle is
Options- A. decomposed laterite
- B. crushed granite
- C. water bound pebbles
- D. air weathered rock. Discuss
- 7. A good quality stone absorbs water less than
Options- A. 5%
- B. 10%
- C. 15%
- D. 20%
- E. 25%. Discuss
- 8. 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
- 9. Mastic asphalt is generally used for
Options- A. damp proof course
- B. water proof layer
- C. partition walls
- D. both (a) and (b). Discuss
- 10. 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
Building Materials problems
Search Results
Correct Answer: Black band.
Correct Answer: honey combing
Correct Answer: All the above.
Correct Answer: fat lime
Correct Answer: all the above.
Correct Answer: decomposed laterite
Correct Answer: 5%
Correct Answer: All the above.
Correct Answer: both (a) and (b).
Correct Answer: quick lime
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